| Ido | ido-000 |
| koshmaro | |
| Afrikaans | afr-000 | nagmerrie |
| Afrikaans | afr-000 | nagvrees |
| Englisce sprǣc | ang-000 | ælfādl |
| العربية | arb-000 | كابوس |
| العربية | arb-000 | كَابُوس |
| مصري | arz-000 | كابوس |
| asturianu | ast-000 | pesadiella |
| asturianu | ast-000 | velea |
| বাংলা | ben-000 | কুস্বপ্ন |
| বাংলা | ben-000 | দুঃস্বপ্ন |
| català | cat-000 | malson |
| čeština | ces-000 | noční můra |
| Anishinaabemowin | ciw-000 | giiwanaadingwaam |
| Anishinaabemowin | ciw-000 | zegingwashi |
| سۆرانی | ckb-000 | خهوی ناخۆش |
| 普通话 | cmn-000 | 噩梦 |
| 普通话 | cmn-000 | 恶梦 |
| 國語 | cmn-001 | 噩夢 |
| 國語 | cmn-001 | 惡夢 |
| lingua corsa | cos-000 | sonniacciu |
| lingua corsa | cos-000 | sugnacciu |
| lingua corsa | cos-000 | sunniacciu |
| Cymraeg | cym-000 | hunllef |
| dansk | dan-000 | mareridt |
| Deutsch | deu-000 | Albdruck |
| Deutsch | deu-000 | Albtraum |
| Deutsch | deu-000 | Alptraum |
| Deutsch | deu-000 | Nachtmahr |
| dolnoserbska reč | dsb-000 | mórawa |
| eesti | ekk-000 | košmaar |
| eesti | ekk-000 | õudusunenägu |
| ελληνικά | ell-000 | εφιάλτης |
| English | eng-000 | nightmare |
| Esperanto | epo-000 | inkubo |
| Esperanto | epo-000 | koŝmaro |
| Esperanto | epo-000 | premsonĝo |
| Esperanto | epo-000 | sonĝaĉo |
| euskara | eus-000 | amesgaizto |
| føroyskt | fao-000 | marra |
| suomi | fin-000 | painajainen |
| français | fra-000 | cauchemar |
| français | fra-000 | mauvais rêve |
| lenghe furlane | fur-000 | čhalčhut |
| Gàidhlig | gla-000 | mearan-cadail |
| Gàidhlig | gla-000 | trom-laighe |
| Gaeilge | gle-000 | tromluí |
| galego | glg-000 | pesadelo |
| ગુજરાતી | guj-000 | દુઃસ્વપ્ન |
| ʻōlelo Hawaiʻi | haw-000 | moehewa |
| Српскохрватски | hbs-000 | кошмар |
| Српскохрватски | hbs-000 | ноћна мора |
| Srpskohrvatski | hbs-001 | košmar |
| Srpskohrvatski | hbs-001 | noćna mora |
| עִברִית | heb-003 | סִיּוּט |
| हिन्दी | hin-000 | कुस्वप्न |
| हिन्दी | hin-000 | दुःस्वप्न |
| magyar | hun-000 | lidércnyomás |
| magyar | hun-000 | rémálom |
| արևելահայերեն | hye-000 | մղձավանջ |
| bahasa Indonesia | ind-000 | mimpi buruk |
| íslenska | isl-000 | martröð |
| italiano | ita-000 | brutto sogno |
| italiano | ita-000 | incubo |
| 日本語 | jpn-000 | 悪夢 |
| ქართული | kat-000 | კოშმარი |
| ქართული | kat-000 | მაჯლაჯუნა |
| монгол | khk-000 | аймшиг |
| ភាសាខ្មែរ | khm-000 | ទុសុបិន |
| ភាសាខ្មែរ | khm-000 | សប្តិអាក្រក់ |
| كورمانجى | kmr-002 | خهوی ناخۆش |
| 한국어 | kor-000 | 악몽 |
| 韓國語 | kor-002 | 惡夢 |
| latine | lat-000 | incubo |
| latine | lat-000 | incubus |
| lietuvių | lit-000 | košmaras |
| lingaz ladin | lld-000 | strassomech |
| lingaz ladin | lld-000 | trota |
| Lëtzebuergesch | ltz-000 | Alpdram |
| Oluluyia | luy-000 | liroro libi |
| latviešu | lvs-000 | murgi |
| македонски | mkd-000 | кошмар |
| reo Māori | mri-000 | kuku |
| reo Māori | mri-000 | moenanu |
| reo Māori | mri-000 | moepapa |
| Plattdüütsch-Neddersassisch | nds-002 | Alpdröm |
| Nederlands | nld-000 | nachtmerrie |
| bokmål | nob-000 | mareritt |
| فارسی | pes-000 | کابوس |
| polski | pol-000 | koszmar |
| português | por-000 | pesadelo |
| lingua rumantscha | roh-000 | darschalet |
| lingua rumantscha | roh-000 | derschalet |
| lingua rumantscha | roh-000 | dischariel |
| lingua rumantscha | roh-000 | dischöl |
| lingua rumantscha | roh-000 | fulet |
| lingua rumantscha | roh-000 | ischier |
| română | ron-000 | coșmar |
| русский | rus-000 | кошма́р |
| русский | rus-000 | кошмар |
| русский | rus-000 | стра́шный сон |
| русский | rus-000 | страшный сон |
| संस्कृतम् | san-000 | दुःस्वप्न |
| လိၵ်ႈတႆး | shn-000 | ၽၼ်ႁၢႆႉ |
| slovenčina | slk-000 | nočná mora |
| slovenčina | slk-000 | nočný motýľ |
| español | spa-000 | pesadilla |
| shqip | sqi-000 | ankth |
| svenska | swe-000 | mardröm |
| Kiswahili | swh-000 | jinamizi |
| தமிழ் | tam-000 | அமுக்கி |
| Tagalog | tgl-000 | bangungot |
| ภาษาไทย | tha-000 | ฝันร้าย |
| Türkçe | tur-000 | karabasan |
| Türkçe | tur-000 | kâbus |
| اردو | urd-000 | کابوس |
| اردو | urd-000 | کسوپن |
| tiếng Việt | vie-000 | ác mộng |
| 𡨸儒 | vie-001 | 惡夢 |
| Volapük | vol-000 | kojmar |
| lingaedje walon | wln-000 | tchôcmwår |
| ייִדיש | ydd-000 | בײַזער חלום |