| Gaeilge | gle-000 |
| a hocht déag | |
| toskërishte | als-000 | tetëmbëdhjetë |
| Mapudungun | arn-000 | mari pura |
| brezhoneg | bre-000 | tri-wecʼh |
| brezhoneg | bre-000 | triwec'h |
| català | cat-000 | divuit |
| 普通话 | cmn-000 | 十八 |
| 國語 | cmn-001 | 十八 |
| Hànyǔ | cmn-003 | shíbā |
| Cymraeg | cym-000 | dennaw |
| dansk | dan-000 | atten |
| Deutsch | deu-000 | achtzehn |
| dolnoserbska reč | dsb-000 | wósymnasćo |
| eesti | ekk-000 | kaheksateist |
| ελληνικά | ell-000 | δεκαοκτώ |
| Ellinika | ell-003 | dekaoktó |
| English | eng-000 | eighteen |
| Esperanto | epo-000 | dek ok |
| euskara | eus-000 | hamazortzi |
| føroyskt | fao-000 | átjan |
| suomi | fin-000 | kahdeksantoista |
| français | fra-000 | dix-huit |
| हिन्दी | hin-000 | अठारह |
| hornjoserbšćina | hsb-000 | wosomnaće |
| magyar | hun-000 | tizennyolc |
| bahasa Indonesia | ind-000 | delapanbelas |
| íslenska | isl-000 | átján |
| italiano | ita-000 | diciotto |
| 日本語 | jpn-000 | 十八 |
| 한국어 | kor-000 | 십팔 |
| Hangungmal | kor-001 | sippal |
| Hangungmal | kor-001 | yeoryeodeolp |
| ລາວ | lao-000 | ສິບແປດ |
| latine | lat-000 | duodeviginti |
| lietuvių | lit-000 | aštuoniolika |
| latviešu | lvs-000 | astoņpadsmit |
| dorerin Naoero | nau-000 | ata me aoyu |
| Tlahco nāhuatlahtōlli | nhn-000 | caxtöllihuan yei |
| Nederlands | nld-000 | achttien |
| bokmål | nob-000 | atten |
| polski | pol-000 | osiemnaście |
| português | por-000 | ezoito |
| română | ron-000 | optsprezece |
| русский | rus-000 | восемнадцать |
| russkij | rus-001 | vosemnádcat' |
| slovenčina | slk-000 | osemnásť |
| davvisámegiella | sme-000 | gávccinuppelohkái |
| español | spa-000 | dieciocho |
| shqip | sqi-000 | tetëmbëdhjetë |
| svenska | swe-000 | arton |
| ภาษาไทย | tha-000 | สิบแปด |
| Tok Pisin | tpi-000 | etin |
| Tok Pisin | tpi-000 | wanpela ten et |
| Türkçe | tur-000 | on sekiz |
| українська | ukr-000 | вісімнадцять |