| slovenčina | slk-000 |
| doplnkový | |
| العربية | arb-000 | إضافي |
| العربية | arb-000 | ملحق |
| luenga aragonesa | arg-000 | suplementario |
| PanLem | art-000 | aux |
| asturianu | ast-000 | suplementariu |
| беларуская | bel-000 | дадатковы |
| bosanski | bos-000 | dopunski |
| български | bul-000 | добавъчен |
| български | bul-000 | допълнителен |
| bălgarski ezik | bul-001 | dobávəčen |
| català | cat-000 | addicional |
| català | cat-000 | suplementari |
| čeština | ces-000 | dodatečný |
| čeština | ces-000 | doplňkový |
| ѩзыкъ словѣньскъ | chu-000 | съпомогатєльнъ |
| slověnĭskŭ językŭ | chu-001 | sŭpomogatelĭnŭ |
| Cymraeg | cym-000 | atodol |
| Deutsch | deu-000 | Ergänzungs- |
| Deutsch | deu-000 | ergänzend |
| Deutsch | deu-000 | zusätzlich |
| English | eng-000 | additional |
| English | eng-000 | additive |
| English | eng-000 | arbitrary |
| English | eng-000 | auxiliary |
| English | eng-000 | complement |
| English | eng-000 | complemental |
| English | eng-000 | complementary |
| English | eng-000 | extra |
| English | eng-000 | follow-up |
| English | eng-000 | second |
| English | eng-000 | subsidiary |
| English | eng-000 | supplemental |
| English | eng-000 | supplementary |
| English | eng-000 | sympathetic |
| 𐐀𐑍𐑊𐐮𐑇 | eng-006 | 𐐫𐐿𐑅𐐮𐑊𐐨𐐯𐑉𐐨 |
| Australian English | eng-009 | auxiliary |
| New Zealand English | eng-010 | auxiliary |
| Esperanto | epo-000 | kroma |
| Esperanto | epo-000 | suplementa |
| euskara | eus-000 | betegarri |
| euskara | eus-000 | laguntzaile |
| suomi | fin-000 | avustava |
| suomi | fin-000 | lisä- |
| suomi | fin-000 | täydennys- |
| suomi | fin-000 | täydentävä |
| français | fra-000 | complémentaire |
| français | fra-000 | supplémentaire |
| galego | glg-000 | suplementario |
| Српскохрватски | hbs-000 | допунски |
| Srpskohrvatski | hbs-001 | dopunski |
| hrvatski | hrv-000 | dopunbeni |
| magyar | hun-000 | kiegészítő |
| italiano | ita-000 | addizionale |
| italiano | ita-000 | integrativo |
| la lojban. | jbo-000 | jmina |
| 日本語 | jpn-000 | 付属 |
| Nihongo | jpn-001 | fuzoku |
| にほんご | jpn-002 | ふぞく |
| нихонго | jpn-153 | фудзоку |
| ქართული | kat-000 | დამატებითი |
| македонски | mkd-000 | дополнителни |
| Nederlands | nld-000 | aanvullend |
| Nederlands | nld-000 | aanvullende |
| Nederlands | nld-000 | bijkomend |
| Nederlands | nld-000 | supplementair |
| Nederlands | nld-000 | toegevoegd |
| bokmål | nob-000 | sekundær |
| فارسی | pes-000 | تكميلي |
| polski | pol-000 | dodatkowy |
| polski | pol-000 | dopełniający |
| polski | pol-000 | uzupełniający |
| português | por-000 | adicional |
| português | por-000 | complementar |
| português | por-000 | suplementar |
| português brasileiro | por-001 | adicional |
| português europeu | por-002 | adicional |
| română | ron-000 | complementar |
| română | ron-000 | suplimentar |
| русский | rus-000 | добавочный |
| русский | rus-000 | дополнительный |
| slovenščina | slv-000 | dopolnilen |
| español | spa-000 | adicional |
| español | spa-000 | suplemental |
| español | spa-000 | suplementaria |
| español | spa-000 | suplementario |
| српски | srp-000 | допунски |
| srpski | srp-001 | dopunski |
| ภาษาไทย | tha-000 | ดู supplementary |
| Türkçe | tur-000 | bütünler |
| Türkçe | tur-000 | bütünleyici |
| Türkçe | tur-000 | ilave |
| Türkçe | tur-000 | yedek |
| українська | ukr-000 | додатковий |