| Deutsch | deu-000 |
| schwierig | |
| Afrikaans | afr-000 | moeilik |
| Englisce sprǣc | ang-000 | earfoþe |
| العربية | arb-000 | صعب |
| العربية | arb-000 | صَعْب |
| العربية | arb-000 | عسر |
| العربية | arb-000 | قاس |
| العربية | arb-000 | متشدد |
| العربية | arb-000 | مُعَقِّد |
| luenga aragonesa | arg-000 | difízil |
| PanLem | art-000 | dif |
| Na’vi | art-011 | ngäzìk |
| Romániço | art-013 | desfácila |
| Romániço | art-013 | difícila |
| LWT Code | art-257 | 17.47 |
| Usher-Whitehouse Concepticon | art-271 | 1131 |
| Lingwa de Planeta | art-287 | komplike |
| Lingwa de Planeta | art-287 | mushkile |
| Lingwa de Planeta | art-287 | mushkilem |
| Sambahsa-mundialect | art-288 | difficil |
| المغربية | ary-000 | واعر |
| asturianu | ast-000 | difícil |
| asturianu | ast-000 | trabayosu |
| azərbaycanca | azj-000 | çətin |
| башҡорт теле | bak-000 | ауыр |
| башҡорт теле | bak-000 | ҡыйын |
| boarisch | bar-000 | hoat |
| boarisch | bar-000 | håt |
| Sidtirolarisch | bar-002 | hort |
| Sidtirolarisch | bar-002 | zach |
| беларуская | bel-000 | тру́дны |
| беларуская | bel-000 | ця́жкі |
| беларуская | bel-000 | цяжкі |
| বাংলা | ben-000 | shramasadhya |
| বাংলা | ben-000 | কঠিন |
| བོད་སྐད་ | bod-000 | ཁག་པོ |
| བོད་སྐད་ | bod-000 | དཀའ་ངལ་ཅན |
| བོད་སྐད་ | bod-000 | དཀའ་མོ |
| བོད་སྐད་ | bod-000 | དཀའ་ལས་ཁག་པོ |
| bosanski | bos-000 | težak |
| български | bul-000 | мъ́чен |
| български | bul-000 | объркан |
| български | bul-000 | сложен |
| български | bul-000 | те́жък |
| български | bul-000 | тру́ден |
| български | bul-000 | труден |
| bălgarski ezik | bul-001 | trúden |
| català | cat-000 | ardu |
| català | cat-000 | complicat |
| català | cat-000 | dificil |
| català | cat-000 | difícil |
| català | cat-000 | dur |
| Chamicuro | ccc-000 | yeewa |
| binisayang Sinugboanon | ceb-000 | lisud |
| čeština | ces-000 | hnisající |
| čeština | ces-000 | komplikovaný |
| čeština | ces-000 | krušný |
| čeština | ces-000 | namáhavý |
| čeština | ces-000 | nesnadný |
| čeština | ces-000 | obtížný |
| čeština | ces-000 | obtížně |
| čeština | ces-000 | těžký |
| Chamoru | cha-000 | chátsaga |
| ᏣᎳᎩ ᎧᏬᏂᎯᏍᏗ | chr-000 | ᎤᏦᏍᏗ |
| ѩзыкъ словѣньскъ | chu-000 | тѧжкъ |
| ѩзыкъ словѣньскъ | chu-000 | тѩжькъ |
| slověnĭskŭ językŭ | chu-001 | tęžkŭ |
| 普通话 | cmn-000 | 困难 |
| 普通话 | cmn-000 | 复杂 |
| 普通话 | cmn-000 | 艰困 |
| 普通话 | cmn-000 | 艰苦 |
| 普通话 | cmn-000 | 艰难 |
| 普通话 | cmn-000 | 辛苦 |
| 普通话 | cmn-000 | 难 |
| 普通话 | cmn-000 | 麻烦的 |
| 國語 | cmn-001 | 困難 |
| 國語 | cmn-001 | 艱困 |
| 國語 | cmn-001 | 艱苦 |
| 國語 | cmn-001 | 艱難 |
| 國語 | cmn-001 | 複雜 |
| 國語 | cmn-001 | 難 |
| Hànyǔ | cmn-003 | jian1 kun4 |
| Hànyǔ | cmn-003 | jian1 nan2 |
| Hànyǔ | cmn-003 | jiān ku |
| Hànyǔ | cmn-003 | kun4 nan5 |
| Hànyǔ | cmn-003 | nan2 |
| Hànyǔ | cmn-003 | nán |
| Qırımtatar tili | crh-000 | qıyın |
| Cymraeg | cym-000 | anodd |
| Cymraeg | cym-000 | caled |
| dansk | dan-000 | hård |
| dansk | dan-000 | svær |
| dansk | dan-000 | vanskelig |
| dansk | dan-000 | vanskeligt |
| Deutsch | deu-000 | Kern |
| Deutsch | deu-000 | Knochen |
| Deutsch | deu-000 | Schwierigkeit |
| Deutsch | deu-000 | Verdienst |
| Deutsch | deu-000 | Wert |
| Deutsch | deu-000 | anspruchsvoll |
| Deutsch | deu-000 | anstrengend |
| Deutsch | deu-000 | auffallend |
| Deutsch | deu-000 | aufwendig |
| Deutsch | deu-000 | aufwändig |
| Deutsch | deu-000 | bedenklich |
| Deutsch | deu-000 | beschwerlich |
| Deutsch | deu-000 | brenzlig |
| Deutsch | deu-000 | brisant |
| Deutsch | deu-000 | delikat |
| Deutsch | deu-000 | diffizil |
| Deutsch | deu-000 | dürftig |
| Deutsch | deu-000 | ermüdend |
| Deutsch | deu-000 | ernst |
| Deutsch | deu-000 | fest |
| Deutsch | deu-000 | fordernd |
| Deutsch | deu-000 | haarig |
| Deutsch | deu-000 | hart |
| Deutsch | deu-000 | heavy |
| Deutsch | deu-000 | heikel |
| Deutsch | deu-000 | herausfordernd |
| Deutsch | deu-000 | holprig |
| Deutsch | deu-000 | irgendwie umständlich |
| Deutsch | deu-000 | kaum |
| Deutsch | deu-000 | kein Zuckerlecken |
| Deutsch | deu-000 | kein Zuckerschlecken |
| Deutsch | deu-000 | knifflig |
| Deutsch | deu-000 | komplex |
| Deutsch | deu-000 | kompliziert |
| Deutsch | deu-000 | kritisch |
| Deutsch | deu-000 | kräftig |
| Deutsch | deu-000 | lästig |
| Deutsch | deu-000 | misslich |
| Deutsch | deu-000 | mit Mühe |
| Deutsch | deu-000 | mit Mühe verbunden |
| Deutsch | deu-000 | mit Unannehmlichkeiten verbunden |
| Deutsch | deu-000 | mühsam |
| Deutsch | deu-000 | mühselig |
| Deutsch | deu-000 | neuralgisch |
| Deutsch | deu-000 | nicht einfach |
| Deutsch | deu-000 | nicht ganz ohne |
| Deutsch | deu-000 | nicht geheuer |
| Deutsch | deu-000 | nicht ohne |
| Deutsch | deu-000 | nicht unbedenklich |
| Deutsch | deu-000 | notleidend |
| Deutsch | deu-000 | prekär |
| Deutsch | deu-000 | problematisch |
| Deutsch | deu-000 | problembehaftet |
| Deutsch | deu-000 | schlimm |
| Deutsch | deu-000 | schwer |
| Deutsch | deu-000 | schwer erziehbar |
| Deutsch | deu-000 | schwer verständlich |
| Deutsch | deu-000 | schwerlich |
| Deutsch | deu-000 | spinös |
| Deutsch | deu-000 | strapaziös |
| Deutsch | deu-000 | tricky |
| Deutsch | deu-000 | umfassend |
| Deutsch | deu-000 | umständlich |
| Deutsch | deu-000 | undurchschaubar |
| Deutsch | deu-000 | uneben |
| Deutsch | deu-000 | unwahrscheinlich |
| Deutsch | deu-000 | unübersichtlich |
| Deutsch | deu-000 | verfahren |
| Deutsch | deu-000 | verfänglich |
| Deutsch | deu-000 | verhatscht |
| Deutsch | deu-000 | verlegen |
| Deutsch | deu-000 | verschachtelt |
| Deutsch | deu-000 | vertrackt |
| Deutsch | deu-000 | verwickelt |
| Deutsch | deu-000 | verwirrt |
| Deutsch | deu-000 | verzwickt |
| Deutsch | deu-000 | vielschichtig |
| Deutsch | deu-000 | vigelinsch |
| Deutsch | deu-000 | weismachen |
| Deutsch | deu-000 | wertvoll |
| Deutsch | deu-000 | zusammengesetzt |
| Deutsch | deu-000 | zäh |
| eesti | ekk-000 | keeruline |
| eesti | ekk-000 | täbar |
| ελληνικά | ell-000 | δύσκολος |
| ελληνικά | ell-000 | δύσκολος-η-ο |
| ελληνικά | ell-000 | μπερδεμένος |
| ελληνικά | ell-000 | περίπλοκος |
| ελληνικά | ell-000 | πολύπλοκος |
| English | eng-000 | arduous |
| English | eng-000 | arduously |
| English | eng-000 | be annoying |
| English | eng-000 | be troublesome |
| English | eng-000 | bothersome |
| English | eng-000 | catchy |
| English | eng-000 | complex |
| English | eng-000 | complicated |
| English | eng-000 | critical |
| English | eng-000 | cumbersome |
| English | eng-000 | difficult |
| English | eng-000 | difficultly |
| English | eng-000 | fastidious |
| English | eng-000 | hard |
| English | eng-000 | hide |
| English | eng-000 | inconvenient |
| English | eng-000 | puzzling |
| English | eng-000 | subtle |
| English | eng-000 | tangled |
| English | eng-000 | thorny |
| English | eng-000 | tiresome |
| English | eng-000 | toilsome |
| English | eng-000 | tortuous |
| English | eng-000 | tough |
| English | eng-000 | tricky |
| English | eng-000 | troublesome |
| English | eng-000 | trying |
| English | eng-000 | with difficulty |
| English | eng-000 | worrisome |
| Globish | eng-003 | difficult |
| 𐐀𐑍𐑊𐐮𐑇 | eng-006 | 𐐼𐐮𐑁𐐮𐐿𐐲𐑊𐐻 |
| Australian English | eng-009 | difficult |
| New Zealand English | eng-010 | difficult |
| Esperanto | epo-000 | dificila |
| Esperanto | epo-000 | komplika |
| Esperanto | epo-000 | laborega |
| Esperanto | epo-000 | laboriga |
| Esperanto | epo-000 | malfacila |
| Esperanto | epo-000 | malmola |
| Esperanto | epo-000 | peniga |
| Esperanto | epo-000 | severa |
| Esperanto | epo-000 | streĉiga |
| euskara | eus-000 | gogor |
| euskara | eus-000 | nekez |
| euskara | eus-000 | zail |
| føroyskt | fao-000 | ringur |
| føroyskt | fao-000 | strævin |
| føroyskt | fao-000 | torførur |
| suomi | fin-000 | ankea |
| suomi | fin-000 | hankala |
| suomi | fin-000 | kova |
| suomi | fin-000 | monimutkainen |
| suomi | fin-000 | rankka |
| suomi | fin-000 | rasittava |
| suomi | fin-000 | sekava |
| suomi | fin-000 | tukala |
| suomi | fin-000 | työläs |
| suomi | fin-000 | vaativa |
| suomi | fin-000 | vaikea |
| suomi | fin-000 | vaikeus |
| suomi | fin-000 | vaivalloinen |
| français | fra-000 | alambiqué |
| français | fra-000 | ardu |
| français | fra-000 | complexe |
| français | fra-000 | compliqué |
| français | fra-000 | difficile |
| français | fra-000 | dur |
| français | fra-000 | dure |
| français | fra-000 | délicat |
| français | fra-000 | malaise |
| français | fra-000 | pénible |
| français | fra-000 | épineux |
| Frysk | fry-000 | hurd |
| Frysk | fry-000 | swier |
| lenghe furlane | fur-000 | hurd |
| Gàidhlig | gla-000 | cruaidh |
| Gàidhlig | gla-000 | doirbh |
| Gàidhlig | gla-000 | duilich |
| Gàidhlig | gla-000 | mì-fhurasda |
| Gàidhlig | gla-000 | trom |
| Gaeilge | gle-000 | casta |
| Gaeilge | gle-000 | deacair |
| galego | glg-000 | arduo |
| galego | glg-000 | difícil |
| yn Ghaelg | glv-000 | creoi |
| yn Ghaelg | glv-000 | doillee |
| yn Ghaelg | glv-000 | mooar |
| yn Ghaelg | glv-000 | neuaashagh |
| yn Ghaelg | glv-000 | trome |
| Gutiska razda | got-002 | aglus |
| ἑλληνικὴ γλῶττα | grc-000 | δυσχερής |
| ἑλληνικὴ γλῶττα | grc-000 | χαλεπός |
| ἑλληνικὴ γλῶττα | grc-000 | ἐργώδης |
| Südbadisch | gsw-003 | diffisiil |
| Südbadisch | gsw-003 | difisil |
| ગુજરાતી | guj-000 | કઠિન |
| kreyòl ayisyen | hat-000 | difisil |
| עברית מקראית | hbo-000 | קשה |
| Српскохрватски | hbs-000 | тежак |
| Srpskohrvatski | hbs-001 | težak |
| עברית | heb-000 | מורכב |
| עברית | heb-000 | מסובך |
| עברית | heb-000 | מסובכת |
| עברית | heb-000 | קשה |
| हिन्दी | hin-000 | कठिन |
| हिन्दी | hin-000 | मुश्किल |
| हिन्दी | hin-000 | विकट |
| hrvatski | hrv-000 | mukotrpna |
| hrvatski | hrv-000 | mukotrpno |
| hrvatski | hrv-000 | teško |
| hornjoserbšćina | hsb-000 | ćežki |
| magyar | hun-000 | bonyolult |
| magyar | hun-000 | fáradságos |
| magyar | hun-000 | fárasztó |
| magyar | hun-000 | kemény |
| magyar | hun-000 | megerőltető |
| magyar | hun-000 | nehéz |
| magyar | hun-000 | terhes |
| արևելահայերեն | hye-000 | բարդ |
| արևելահայերեն | hye-000 | դժվար |
| արևելահայերեն | hye-000 | ծանր |
| արևելահայերեն | hye-000 | նենգոտ |
| Ido | ido-000 | abrupta |
| Ido | ido-000 | des |
| Ido | ido-000 | desfacila |
| Ido | ido-000 | harda |
| Ido | ido-000 | severa |
| Glosa | igs-001 | dificile |
| Glosa | igs-001 | no-facili |
| interlingua | ina-000 | ardue |
| interlingua | ina-000 | difficile |
| interlingua | ina-000 | dur |
| bahasa Indonesia | ind-000 | bengis |
| bahasa Indonesia | ind-000 | keras |
| bahasa Indonesia | ind-000 | payah |
| bahasa Indonesia | ind-000 | sukar |
| bahasa Indonesia | ind-000 | sulit |
| bahasa Indonesia | ind-000 | susah |
| íslenska | isl-000 | erfiður |
| íslenska | isl-000 | harður |
| íslenska | isl-000 | vandur |
| íslenska | isl-000 | þungur |
| italiano | ita-000 | ardua |
| italiano | ita-000 | arduo |
| italiano | ita-000 | complicato |
| italiano | ita-000 | difficile |
| italiano | ita-000 | difficilmente |
| italiano | ita-000 | difficoltoso |
| italiano | ita-000 | dura |
| italiano | ita-000 | duro |
| italiano | ita-000 | faticoso |
| italiano | ita-000 | ingannevole |
| italiano | ita-000 | insidioso |
| italiano | ita-000 | laborioso |
| italiano | ita-000 | malagevole |
| italiano | ita-000 | pericoloso |
| italiano | ita-000 | pesante |
| la lojban. | jbo-000 | nandu |
| la lojban. | jbo-000 | pluja |
| 日本語 | jpn-000 | -辛い |
| 日本語 | jpn-000 | -難い |
| 日本語 | jpn-000 | しんどい |
| 日本語 | jpn-000 | むずかしい |
| 日本語 | jpn-000 | ややこしい |
| 日本語 | jpn-000 | クリティカル |
| 日本語 | jpn-000 | タフ |
| 日本語 | jpn-000 | 世話の焼ける |
| 日本語 | jpn-000 | 困難 |
| 日本語 | jpn-000 | 小難しい |
| 日本語 | jpn-000 | 悪い |
| 日本語 | jpn-000 | 苦しい |
| 日本語 | jpn-000 | 複雑 |
| 日本語 | jpn-000 | 辛い |
| 日本語 | jpn-000 | 難い |
| 日本語 | jpn-000 | 難しい |
| Nihongo | jpn-001 | -nikui |
| Nihongo | jpn-001 | -zurai |
| Nihongo | jpn-001 | konnan |
| Nihongo | jpn-001 | muzukashii |
| Nihongo | jpn-001 | tsurai |
| にほんご | jpn-002 | -づらい |
| にほんご | jpn-002 | -にくい |
| にほんご | jpn-002 | こんなん |
| にほんご | jpn-002 | つらい |
| にほんご | jpn-002 | むずかしい |
| нихонго | jpn-153 | коннан |
| ಕನ್ನಡ | kan-000 | ಕಟ್ |
| ქართული | kat-000 | არეულ-დარეული |
| ქართული | kat-000 | აწეწილი |
| ქართული | kat-000 | გართულებული |
| ქართული | kat-000 | მძიმე |
| ქართული | kat-000 | რთული |
| ქართული | kat-000 | ჩახლართული |
| ქართული | kat-000 | ძნელი |
| қазақ | kaz-000 | ауыр |
| қазақ | kaz-000 | қиын |
| монгол | khk-000 | бэрх |
| монгол | khk-000 | хүнд хэцүү |
| ភាសាខ្មែរ | khm-000 | ពិបាក |
| кыргыз | kir-000 | кыйын |
| кыргыз | kir-000 | оор |
| Kurmancî | kmr-000 | asê |
| Kurmancî | kmr-000 | bi giranî |
| Kurmancî | kmr-000 | dijwar |
| Kurmancî | kmr-000 | felitî |
| Kurmancî | kmr-000 | filtî |
| Kurmancî | kmr-000 | giran |
| Kurmancî | kmr-000 | hişk |
| Kurmancî | kmr-000 | işk |
| Kurmancî | kmr-000 | zehmet |
| Kurmancî | kmr-000 | zor |
| Kurmancî | kmr-000 | çetin |
| Kurmancî | kmr-000 | çetîn |
| كورمانجى | kmr-002 | زهحمهت |
| كورمانجى | kmr-002 | سهخت |
| كورمانجى | kmr-002 | گران |
| 한국어 | kor-000 | 곤란한 |
| 한국어 | kor-000 | 복잡하다 |
| 한국어 | kor-000 | 어려운 |
| 한국어 | kor-000 | 어렵다 |
| 한국어 | kor-000 | 하다 |
| 한국어 | kor-000 | 힘들다 |
| 韓國語 | kor-002 | 複雜 |
| ລາວ | lao-000 | ຍາກ |
| latine | lat-000 | difficilis |
| latine | lat-000 | dificilis |
| latine | lat-000 | durus |
| Limburgs | lim-000 | helle |
| lietuvių | lit-000 | sudėtingas |
| lietuvių | lit-000 | sunki |
| lietuvių | lit-000 | sunkus |
| lengua lumbarda | lmo-000 | düür |
| latviešu | lvs-000 | grūts |
| latviešu | lvs-000 | sarežģīts |
| latviešu | lvs-000 | smags |
| मराठी | mar-000 | कठिण |
| македонски | mkd-000 | мачен |
| македонски | mkd-000 | напорен |
| македонски | mkd-000 | тежок |
| македонски | mkd-000 | тешки |
| Malti | mlt-000 | diffiċli |
| lhéngua mirandesa | mwl-000 | defícel |
| မြန်မာဘာသာ | mya-000 | ခက် |
| မြန်မာဘာသာ | mya-000 | ခဲယဉ်း |
| Diné bizaad | nav-000 | nantłʼah |
| Plattdüütsch | nds-000 | figeliensch |
| Nederlands | nld-000 | gecompliceerd |
| Nederlands | nld-000 | hard |
| Nederlands | nld-000 | ingewikkeld |
| Nederlands | nld-000 | lastig |
| Nederlands | nld-000 | moeilijk |
| Nederlands | nld-000 | moeilijke |
| Nederlands | nld-000 | moeizaam |
| Nederlands | nld-000 | netelig |
| Nederlands | nld-000 | netelige |
| Nederlands | nld-000 | onzacht |
| Nederlands | nld-000 | slim |
| Nederlands | nld-000 | stug |
| Nederlands | nld-000 | uitputtend |
| Nederlands | nld-000 | vermoeiend |
| Nederlands | nld-000 | zwaar |
| Nederlands | nld-000 | zware |
| bokmål | nob-000 | drøy |
| bokmål | nob-000 | hård |
| bokmål | nob-000 | kinkig |
| bokmål | nob-000 | komplisert |
| bokmål | nob-000 | umedgjørlig |
| bokmål | nob-000 | vanskelig |
| bokmål | nob-000 | vrien |
| Novial | nov-000 | desfasil |
| occitan | oci-000 | dificil |
| occitan | oci-000 | dur |
| occitan | oci-000 | malaisit |
| ਪੰਜਾਬੀ | pan-000 | ਕਠਿਨ |
| Papiamentu | pap-000 | difísil |
| Papiamentu | pap-000 | duru |
| Papiamentu | pap-000 | fregá |
| پښتو ژبه | pbu-000 | مشکل |
| پښتو ژبه | pbu-000 | ګران |
| فارسی | pes-000 | دشوار |
| فارسی | pes-000 | سخت |
| فارسی | pes-000 | صعب |
| فارسی | pes-000 | مشکل |
| فارسی | pes-000 | پیچیده |
| polski | pol-000 | ciężki |
| polski | pol-000 | nieporęczny |
| polski | pol-000 | skomplikowany |
| polski | pol-000 | trudno |
| polski | pol-000 | trudny |
| português | por-000 | afanoso |
| português | por-000 | arduo |
| português | por-000 | complicada |
| português | por-000 | complicado |
| português | por-000 | dificultoso |
| português | por-000 | difícil |
| português | por-000 | duro |
| português | por-000 | forte |
| português | por-000 | penoso |
| português | por-000 | árduo |
| português brasileiro | por-001 | difícil |
| português europeu | por-002 | difícil |
| Wanuku rimay | qub-000 | sasa |
| Runa Simi | que-000 | sasa |
| Shukllachishka Kichwa | que-001 | mana ruraripaglla |
| Shukllachishka Kichwa | que-001 | sinchi |
| Urin Buliwya | quh-000 | chʼama |
| Urin Buliwya | quh-000 | sasa |
| Urin Buliwya | quh-000 | trabajo |
| Chanka rimay | quy-000 | aha |
| Chanka rimay | quy-000 | chama |
| Chanka rimay | quy-000 | mana ruraripaqlla |
| Chanka rimay | quy-000 | sasa |
| Chanka rimay | quy-000 | sasaypa |
| Chanka rimay | quy-000 | sinchi |
| Chanka rimay | quy-000 | trabahus |
| Chanka rimay | quy-000 | trawahu |
| Chanka rimay | quy-000 | ñakay |
| Qusqu qhichwa simi | quz-000 | aha |
| Qusqu qhichwa simi | quz-000 | chʼama |
| Qusqu qhichwa simi | quz-000 | mana ruraripaqlla |
| Qusqu qhichwa simi | quz-000 | sasa |
| Qusqu qhichwa simi | quz-000 | sasaypa |
| Qusqu qhichwa simi | quz-000 | sinchi |
| Qusqu qhichwa simi | quz-000 | trabahus |
| Qusqu qhichwa simi | quz-000 | trawahu |
| Qusqu qhichwa simi | quz-000 | trawaju |
| Qusqu qhichwa simi | quz-000 | trawaxu |
| Qusqu qhichwa simi | quz-000 | ñakʼay |
| Kashamarka rimay | qvc-000 | trabajus |
| Impapura | qvi-000 | mana ruraripaklla |
| Impapura | qvi-000 | sinchi |
| Waylla Wanka | qvw-000 | nakay |
| Waylla Wanka | qvw-000 | sasa |
| Waylla Wanka | qvw-000 | sasaypa |
| Siwas | qxn-000 | aha |
| Siwas | qxn-000 | sasa |
| Shawsha Wanka | qxw-000 | sasa |
| Roman | rmc-000 | pharikano |
| română | ron-000 | alambicat |
| română | ron-000 | anevoios |
| română | ron-000 | complicat |
| română | ron-000 | difícil |
| română | ron-000 | dur |
| română | ron-000 | greu |
| română | ron-000 | tare |
| русский | rus-000 | дохлый |
| русский | rus-000 | заковыристый |
| русский | rus-000 | запу́танный |
| русский | rus-000 | затруднительный |
| русский | rus-000 | каверзны́й |
| русский | rus-000 | каверзный |
| русский | rus-000 | мудреный |
| русский | rus-000 | нелёгкий |
| русский | rus-000 | ненавистный |
| русский | rus-000 | непростой |
| русский | rus-000 | неудачливый |
| русский | rus-000 | низкопробный |
| русский | rus-000 | отвратительный |
| русский | rus-000 | плохой |
| русский | rus-000 | сло́жный |
| русский | rus-000 | сложно |
| русский | rus-000 | сложный |
| русский | rus-000 | тру́дный |
| русский | rus-000 | трудно |
| русский | rus-000 | трудный |
| русский | rus-000 | тя́жкий |
| русский | rus-000 | тяже́лый |
| русский | rus-000 | тяжелый |
| русский | rus-000 | тяжёлый |
| русский | rus-000 | хитрый |
| русский | rus-000 | хлопотливый |
| русский | rus-000 | щекотли́вый |
| русский | rus-000 | щекотливый |
| russkij | rus-001 | trudno |
| संस्कृतम् | san-000 | अलभ्य |
| संस्कृतम् | san-000 | कठिन |
| संस्कृतम् | san-000 | कष्ट |
| සිංහල | sin-000 | අමාරු |
| slovenčina | slk-000 | namáhavý |
| slovenčina | slk-000 | neľahko |
| slovenčina | slk-000 | obtiažny |
| slovenčina | slk-000 | ťažký |
| slovenščina | slv-000 | težek |
| español | spa-000 | apurado |
| español | spa-000 | arduo |
| español | spa-000 | complicado |
| español | spa-000 | dificil |
| español | spa-000 | dificultosa |
| español | spa-000 | dificultoso |
| español | spa-000 | difícil |
| español | spa-000 | difícilmente |
| español | spa-000 | dura |
| español | spa-000 | duro |
| español | spa-000 | escabroso |
| español | spa-000 | firme |
| español | spa-000 | hueso |
| español | spa-000 | mérito |
| español | spa-000 | pegadizo |
| español | spa-000 | pegajoso |
| español | spa-000 | penoso |
| español | spa-000 | trabajosamente |
| español | spa-000 | trabajoso |
| shqip | sqi-000 | vështirë |
| српски | srp-000 | тежак |
| srpski | srp-001 | težak |
| Fräiske Sproake | stq-000 | hooch |
| Fräiske Sproake | stq-000 | swierelk |
| Fräiske Sproake | stq-000 | swierich |
| svenska | swe-000 | besvärlig |
| svenska | swe-000 | häftig |
| svenska | swe-000 | hård |
| svenska | swe-000 | knepig |
| svenska | swe-000 | komplicerad |
| svenska | swe-000 | meckig |
| svenska | swe-000 | mödosam |
| svenska | swe-000 | svår |
| svenska | swe-000 | tung |
| svenska | swe-000 | vansklig |
| Schwäbisch | swg-000 | diffisil |
| Kiswahili | swh-000 | ngumu |
| தமிழ் | tam-000 | கடினமான |
| தமிழ் | tam-000 | கடினம் |
| татарча | tat-001 | авыр |
| татарча | tat-001 | кыен |
| తెలుగు | tel-000 | కఠిన |
| తెలుగు | tel-000 | కఠినమైన |
| తెలుగు | tel-000 | కఠోర |
| తెలుగు | tel-000 | కష్టమైన |
| తెలుగు | tel-000 | క్లిష్టమైన |
| тоҷикӣ | tgk-000 | душвор |
| тоҷикӣ | tgk-000 | мушкил |
| тоҷикӣ | tgk-000 | сахт |
| Tagalog | tgl-000 | hírap |
| Tagalog | tgl-000 | mahirap |
| Tagalog | tgl-000 | mahírap |
| Tagalog | tgl-000 | matigás |
| ภาษาไทย | tha-000 | ยาก |
| tlhIngan Hol | tlh-000 | Qatlh |
| türkmençe | tuk-000 | kyn |
| türkmençe | tuk-000 | müçgil |
| türkmençe | tuk-000 | çatak |
| türkmençe | tuk-000 | çetin |
| Türkçe | tur-000 | güç |
| Türkçe | tur-000 | müşkül |
| Türkçe | tur-000 | zor |
| Türkçe | tur-000 | çaparızlı |
| Türkçe | tur-000 | çetin |
| Türkçe | tur-000 | çetrefil |
| українська | ukr-000 | важки́й |
| українська | ukr-000 | важкий |
| українська | ukr-000 | тру́дний |
| اردو | urd-000 | دشوار |
| اردو | urd-000 | مشکل |
| اردو | urd-000 | کٹھن |
| oʻzbek | uzn-000 | mushkul |
| oʻzbek | uzn-000 | qiyin |
| tiếng Việt | vie-000 | khó |
| tiếng Việt | vie-000 | khó khăn |
| tiếng Việt | vie-000 | khốn khó |
| tiếng Việt | vie-000 | phức tạp |
| 𡨸儒 | vie-001 | 複雜 |
| Wik-Mungkan | wim-000 | świrig |
| lingaedje walon | wln-000 | deur |
| lingaedje walon | wln-000 | målåjhey |
| शेवी तमड़े | xsr-001 | कले |
| शेवी तमड़े | xsr-001 | दुक्प |
| Sharpa | xsr-002 | dukpa |
| Sharpa | xsr-002 | kale |
| ייִדיש | ydd-000 | האַרב |
| ייִדיש | ydd-000 | שווער |
| Maaya Tʼaan | yua-000 | yah |
| 廣東話 | yue-000 | 困难 |
| 廣東話 | yue-000 | 困難 |
| 廣東話 | yue-000 | 难 |
| 廣東話 | yue-000 | 難 |
| Bahasa Malaysia | zsm-000 | payah |
| Bahasa Malaysia | zsm-000 | sukar |
| Bahasa Malaysia | zsm-000 | susah |