| català | cat-000 | Firth |
| eesti | ekk-000 | Firth |
| English | eng-000 | Firth |
| Esperanto | epo-000 | Firth |
| suomi | fin-000 | Firth |
| Ido | ido-000 | Firth |
| bahasa Indonesia | ind-000 | Firth |
| lengua lumbarda | lmo-000 | Firth |
| Nederlands | nld-000 | Firth |
| bokmål | nob-000 | Firth |
| português | por-000 | Firth |
| Scots leid | sco-000 | Firth |
| åarjelsaemiengïele | sma-000 | Firth |
| davvisámegiella | sme-000 | Firth |
| julevsámegiella | smj-000 | Firth |
| español | spa-000 | Firth |
| Volapük | vol-000 | Firth |
| Bahasa Malaysia | zsm-000 | Firth |
| English | eng-000 | firth |
| español | spa-000 | firth |
| English | eng-000 | Firthcliffe |
| Volapük | vol-000 | Firthcliffe |
| English | eng-000 | firth hardometer |
| Universal Networking Language | art-253 | firth(icl>estuary>thing) |
| Universal Networking Language | art-253 | firth(iof>linguist>thing) |
| diutisk | goh-000 | firthionôn |
| čeština | ces-000 | Firth of Clyde |
| Deutsch | deu-000 | Firth of Clyde |
| English | eng-000 | Firth of Clyde |
| français | fra-000 | Firth of Clyde |
| italiano | ita-000 | Firth of Clyde |
| Nederlands | nld-000 | Firth of Clyde |
| bokmål | nob-000 | Firth of Clyde |
| polski | pol-000 | Firth of Clyde |
| português | por-000 | Firth of Clyde |
| slovenčina | slk-000 | Firth of Clyde |
| svenska | swe-000 | Firth of Clyde |
| English | eng-000 | Firth of Fifth |
| עברית | heb-000 | Firth of Fifth |
| Afrikaans | afr-000 | Firth of Forth |
| čeština | ces-000 | Firth of Forth |
| Deutsch | deu-000 | Firth of Forth |
| English | eng-000 | Firth of Forth |
| français | fra-000 | Firth of Forth |
| italiano | ita-000 | Firth of Forth |
| Lëtzebuergesch | ltz-000 | Firth of Forth |
| Nederlands | nld-000 | Firth of Forth |
| bokmål | nob-000 | Firth of Forth |
| polski | pol-000 | Firth of Forth |
| svenska | swe-000 | Firth of Forth |
| Lëtzebuergesch | ltz-000 | Firth-of-Forth-Stroossebréck |
| čeština | ces-000 | Firth of Tay |
| English | eng-000 | Firth of Tay |
| Nederlands | nld-000 | Firth of Tay |
| polski | pol-000 | Firth of Tay |
| Deutsch | deu-000 | Firth-of-Tay-Brücke |
| Deutsch | deu-000 | Firth of Thames |
| English | eng-000 | Firth of Thames |
| English | eng-000 | firths |
| Südbadisch | gsw-003 | Firtig |
| diutisk | goh-000 | fir-tīlōn |
| English | eng-000 | Firtina |
| Türkçe | tur-000 | Fırtına |
| Sambahsa-mundialect | art-288 | firtina |
| azərbaycanca | azj-000 | fırtına |
| Türkçe | tur-000 | fırtına |
| Türkçe | tur-000 | fırtınaa kırlangıcı |
| Türkçe | tur-000 | fırtına bulutu |
| Türkçe | tur-000 | fırtına çıkmak |
| Türkçe | tur-000 | fırtınadan gecikmiş |
| Türkçe | tur-000 | fırtınadan mahsur |
| Türkçe | tur-000 | fırtına estirmek |
| Türkçe | tur-000 | fırtına gibi esmek |
| Türkçe | tur-000 | fırtına izi |
| Türkçe | tur-000 | fırtına koparmak |
| Türkçe | tur-000 | fırtına kopmak |
| Türkçe | tur-000 | fırtına kuşları |
| Türkçe | tur-000 | Fırtına kuşu |
| Türkçe | tur-000 | fırtına kuşu |
| Türkçe | tur-000 | fırtınakuşu |
| Türkçe | tur-000 | Fırtına kuşugiller |
| Türkçe | tur-000 | fırtına kuşugiller |
| Türkçe | tur-000 | fırtınalı |
| Türkçe | tur-000 | fırtınalı deniz |
| Türkçe | tur-000 | fırtınalı geçmek |
| Türkçe | tur-000 | fırtınanın yıprattığı |
| Türkçe | tur-000 | fırtına öncesi sessizliğe |
| Türkçe | tur-000 | fırtına öncesi sessizlik |
| Türkçe | tur-000 | fırtına patlamak |
| Türkçe | tur-000 | fırtına var |
| Türkçe | tur-000 | fırtınaya karşı dayanıklı |
| Türkçe | tur-000 | fırtınaya tutulmuş |
| Türkçe | tur-000 | fırtına yemiş |
| Zazakî | kiu-000 | fırtıne |
| azərbaycanca | azj-000 | fırtıq |
| Pulaar | fuc-000 | firtirde nyaawooje |
| English | eng-000 | firtle |
| Türkçe | tur-000 | fırtlnalı |
| English | eng-000 | FIRTO |
| Kurmancî | kmr-000 | firtone |
| Vuhlkansu | art-009 | fir-tor |
| Iauga—Dungerwab | ncm-001 | firtoǯe |
| diutisk | goh-000 | fir-tragan |
| CycL | art-285 | FirTree |
| English | eng-000 | fir tree |
| English | eng-000 | fir-tree |
| English | eng-000 | fir-tree blade attachment |
| English | eng-000 | fir-tree blade fastening |
| English | eng-000 | fir-tree broach |
| English | eng-000 | fir-tree broachinng machine |
| English | eng-000 | fir tree connection |
| English | eng-000 | fir-tree crystal |
| English | eng-000 | fir-tree grinding cell |
| English | eng-000 | fir-tree growth |
| English | eng-000 | fir tree miller |
| English | eng-000 | fir-tree milling cell |
| English | eng-000 | fir-tree milling machine |
| English | eng-000 | fir tree root |
| English | eng-000 | fir-tree root |
| English | eng-000 | fir-tree-root broach |
| English | eng-000 | fir-tree rooted blade |
| English | eng-000 | fir-tree root-end |
| English | eng-000 | fir trees |
| diutisk | goh-000 | firtrîbunga |
| diutisk | goh-000 | fir-trōsten |
| Hausa | hau-000 | firtsa faƙo |
| Talossan | tzl-000 | firtsch |
| Hausa | hau-000 | firtse |
| Türkçe | tur-000 | fırttırmak |
| Pulaar | fuc-000 | firtude |
| Pular | fuf-000 | firtugol |
| diutisk | goh-000 | fir-tuomen |
| English | eng-000 | Firtuş River |
| English | eng-000 | fir twig |
| English | eng-000 | fir twigs |
| English | eng-000 | fir twig scale |
| dansk | dan-000 | firtøj |
| èdè Yorùbá | yor-000 | fi ru |
| èdè Yorùbá | yor-000 | fi rù |
| èdè Yorùbá | yor-000 | fi rú |
| Nihongo | jpn-001 | firu |
| Shimayumita | kzg-002 | firu |
| Maisin | mbq-000 | firu |
| lia-tetun | tet-000 | firu |
| Toaripi-Motumotu | tqo-000 | firu |
| èdè Yorùbá | yor-000 | firu |
| èdè Yorùbá | yor-000 | firù |
| èdè Yorùbá | yor-000 | firú |
| Riff | rif-000 | fiřu |
| Xamtanga | xan-000 | fiːru |
| Mountain Koiari | kpx-000 | firua |
| Duhlian ṭawng | lus-000 | fi-ruau |
| èdè Yorùbá | yor-000 | fìrù balẹ̀ |
| èdè Yorùbá | yor-000 | fìrùbalẹ̀ |
| èdè Yorùbá | yor-000 | firúbọ |
| èdè Yorùbá | yor-000 | fì rúbọ |
| lingua siciliana | scn-000 | firucia |
| palermitano | scn-001 | firucia |
| lingua siciliana | scn-000 | firùcia |
| Nihongo | jpn-001 | fi-rudo |
| Nihongo | jpn-001 | fîrudo |
| èdè Yorùbá | yor-000 | fi rú ẹbọ |
| Kurmancî | kmr-000 | fir û fêl |
| Soranî | ckb-001 | firufêl |
| Kurmancî | kmr-000 | firufêl |
| èdè Yorùbá | yor-000 | fìrù fọnná |
| èdè Yorùbá | yor-000 | fìrùfọnná |
| Pular | fuf-000 | firugol |
| èdè Yorùbá | yor-000 | fìrù jóná |
| èdè Yorùbá | yor-000 | fìrùjóná |
| Kupang Malay | mkn-000 | firuk |
| Mountain Koiali | kpx-002 | firuku |
| español hondureño | spa-015 | firulais |
| română | ron-000 | firul gândurilor |
| español hondureño | spa-015 | firulicha |
| manju gisun | mnc-000 | firumbi |
| Nihongo | jpn-001 | firumu |
| èdè Yorùbá | yor-000 | fi run |
| èdè Yorùbá | yor-000 | fi rùn |
| lia-tetun | tet-000 | firu-n |
| èdè Yorùbá | yor-000 | firun |
| èdè Yorùbá | yor-000 | firùn |
| Classical Arabic—ASJP | arb-001 | Fīrūnā |
| èdè Yorùbá | yor-000 | fi runbẹ̀ |
| èdè Yorùbá | yor-000 | firunbẹ̀ |
| yidish | ydd-001 | firung |
| èdè Yorùbá | yor-000 | fi run imú |
| èdè Yorùbá | yor-000 | fi runmú |
| èdè Yorùbá | yor-000 | firunmú |
| èdè Yorùbá | yor-000 | fi run ọbẹ̀ |
| euskara | eus-000 | firurika |
| euskara | eus-000 | firurikatu |
| Frysk | fry-000 | firus |
| Chanka rimay | quy-000 | firus |
| Qusqu qhichwa simi | quz-000 | firus |
| Fräiske Sproake | stq-000 | firus |
| èdè Yorùbá | yor-000 | fìrù ṣoró |
| èdè Yorùbá | yor-000 | fìrùṣoró |
| Nihongo | jpn-001 | firuta |
| Nihongo | jpn-001 | firutā |
| lingua siciliana | scn-000 | firutu |
| Kurmancî | kmr-000 | firûz |
| lisân-ı Osmânî | ota-001 | fîrûz |
| oʻzbek | uzn-000 | firuza |
| tatar tele | tat-000 | firüzä |
| English | eng-000 | Firuza Alifova |
| français | fra-000 | Firuzabad |
| română | ron-000 | Firuzabad |
| español | spa-000 | Firuzabad |
| Türkçe | tur-000 | Firuzabad |
| English | eng-000 | Firuzabad County |
| Türkçe | tur-000 | Firuze |
| Qırımtatar tili | crh-000 | firuze |
| Farsi | pes-002 | firuze |
| Türkçe | tur-000 | firuze |
| فارسی | pes-000 | firuzé |
| Kurmancî | kmr-000 | firûze |
| lisân-ı Osmânî | ota-001 | fîrûze |
| lisân-ı Osmânî | ota-001 | fîrûzefâm |
| فارسی | pes-000 | firuzéʼi |
| Türkçe | tur-000 | firuze rengi |
| Türkçe | tur-000 | firuze taşı |
| Kurmancî | kmr-000 | firûzeyî |
| English | eng-000 | Firuz Kazemzadeh |
| français | fra-000 | Firuz Kazemzadeh |
| English | eng-000 | Firuzkuh County |
| Romani čhib | rom-000 | firuzo |
| Deutsch | deu-000 | Firuz Schah Tughluq |
| svenska | swe-000 | Firuz Shah |
| English | eng-000 | Firuz Shah Suri |
| English | eng-000 | Firuz Shah Tughluq |
| français | fra-000 | Fîrûz Shâh Tughlûq |
| azərbaycanca | azj-000 | firuzə |
| azərbaycanca | azj-000 | firuzəyi |
| yn Ghaelg | glv-000 | fir vaghee |
| føroyskt | fao-000 | firvaldssvimjing |
| latviešu | lvs-000 | Fīrvaldšteterezers |
| føroyskt | fao-000 | firvaldur |
| yidish | ydd-001 | firvarfn |
| yn Ghaelg | glv-000 | fir vooinjerey |
| Lëtzebuergesch | ltz-000 | firwat |
| Longuda-Meek | lnu-000 | firwe |
| TechTarget file types | art-336 | FIR-Webalizer-01-File |
| English | eng-000 | fir weevil |
| diutisk | goh-000 | fir-wehslōn |
| diutisk | goh-000 | fir-wergen |
| Sidtirolarisch | bar-002 | firwert |
| Englisch | enm-000 | fir wode |
| English | eng-000 | fir wood |
| English | eng-000 | fir-wood |
| English | eng-000 | firwood |
| English | eng-000 | fir wood oil |
| English | eng-000 | fir wood plank |
| English | eng-000 | fir woods |
| English | eng-000 | fir wool |
| Sidtirolarisch | bar-002 | fir wos |
| Cymraeg | cym-000 | firws |
| diutisk | goh-000 | fir-wuot |
| Kurmancî | kmr-000 | firxûn |
| Bilen | byn-002 | fir y |
| fiteny Malagasy | plt-000 | firy |
| fiteny Malagasy | plt-000 | fìry |
| Hausa | hau-000 | firya |
| Quenya | qya-000 | firya |
| Kimachame | jmc-000 | firya ndii |
| kreyòl ayisyen | hat-000 | firye |
| napulitano | nap-000 | firza |
| Koyraboro senni | ses-000 | firza |
| Xamta | xan-001 | firzaː |
| Koyraboro senni | ses-000 | firzanta |
| Lëtzebuergesch | ltz-000 | fir ze |
| Koyraboro senni | ses-000 | firzi |
| diutisk | goh-000 | fir-zīhan |
| latviešu | lvs-000 | firziķis |
| latviešu | lvs-000 | firziķu |
| Koyraboro senni | ses-000 | firziroo |
| íslenska | isl-000 | firð |
| íslenska | isl-000 | firðriti |
| íslenska | isl-000 | firðritvél |
| íslenska | isl-000 | firðrækin eftirmynd |
| Talossan | tzl-000 | firþás |
| Hausa | hau-000 | firɗe |
| Hausa | hau-000 | firɗeɗe |
| Hausa | hau-000 | firɗi |
| Gabin | gqa-001 | fìrənčì |
| Deutsch | deu-000 | Firəngiz Əlizadə |
| Jeri | bxl-001 | fìrɛ́ |
| Mauwake opora | mhl-000 | firʌ |
| 國語 | cmn-001 | F.I.R.飛兒樂團 |
| 國語 | cmn-001 | F.I.R.飛兒樂團 同名專輯 |
| iciBemba | bem-000 | -fís- |
| dansk | dan-000 | FIS |
| English | eng-000 | FIS |
| nynorsk | nno-000 | FIS |
| bokmål | nob-000 | FIS |
| Deutsch | deu-000 | Fis |
| English | eng-000 | Fis |
| Multiple languages | mul-000 | Fis |
| Deutsch | deu-000 | Fis = |
| Gequn | agx-003 | fi-š |
| Keren | agx-004 | fi-š |
| Gequn | agx-003 | fi=š |
| Keren | agx-004 | fi=š |
| Carolinian | cal-000 | fiS |
| doitS | deu-003 | fiS |
| Grenadian Creole English | gcl-000 | fiS |
| Ghanaian Pidgin English | gpe-000 | fiS |
| Bärndütsch | gsw-002 | fiS |
| Gullah | gul-000 | fiS |
| Pidgin | hwc-000 | fiS |
| Patwa | jam-000 | fiS |
| Limonese Creole | jam-001 | fiS |
| Krio | kri-000 | fiS |
| Karuk | kyh-000 | fiS |
| Plattdüütsch | nds-000 | fiS |
| Brokun | pcm-000 | fiS |
| Scots leid | sco-000 | fiS |
| Vincentian Creole | svc-000 | fiS |
| Schwäbisch | swg-000 | fiS |
| Säggsisch | sxu-000 | fiS |
| Brabants | vls-002 | fiS |
| Kamtok | wes-000 | fiS |
| yidish | ydd-001 | fiS |
| Afrikaans | afr-000 | fis |
| toskërishte | als-000 | fis |
| filename extensions | art-335 | fis |
| Bislama | bis-000 | fis |
| čeština | ces-000 | fis |
| Daffo | cla-001 | fis |
| dansk | dan-000 | fis |
| Dutton Speedwords | dws-000 | fis |
| suomi | fin-000 | fis |
| Pichi | fpe-000 | fis |
| français | fra-000 | fis |
| lenghe furlane | fur-000 | fis |
| bèle fòòr | fvr-000 | fis |
| Gaeilge | gle-000 | fis |
| kreyòl ayisyen | hat-000 | fis |
| Hausa | hau-000 | fis |
| Ido | ido-000 | fis |
| íslenska | isl-000 | fis |
| la lojban. | jbo-000 | fis |
| Kurmancî | kmr-000 | fis |
| Krio | kri-000 | fis |
| latine | lat-000 | fis |
| Limburgs | lim-000 | fis |
| lingaz ladin | lld-000 | fis |
| Nederlands | nld-000 | fis |
| Brabantic | nld-001 | fis |
| nynorsk | nno-000 | fis |
| bokmål | nob-000 | fis |
| Papiamentu | pap-000 | fis |
| Pijin | pis-000 | fis |
| polski | pol-000 | fis |
| Ruáingga | rhg-000 | fis |
| Ngukurr Bamyili Creole | rop-001 | fis |
| Goídelc | sga-000 | fis |
| español | spa-000 | fis |
| shqip | sqi-000 | fis |
| Stellingwerfs | stl-000 | fis |
| svenska | swe-000 | fis |
| Ulithian | uli-000 | fis |
| Westvlams | vls-001 | fis |
| Woleaian | woe-000 | fis |
| Xamta | xan-001 | fis |
| Western Yiddish | yih-000 | fis |
| Zeêuws | zea-000 | fis |
| Sop | urw-000 | fis- |
| Yoidik | ydk-000 | fis- |
| italiano | ita-000 | fis. |
| Esperanto | epo-000 | fiŝ |
| Kurmancî | kmr-000 | fiş |
| Türkçe | tur-000 | fiş |
| Karuk | kyh-000 | fiš |
| yidish | ydd-001 | fiš |
| bèle fòòr | fvr-000 | fiːs |
| valdugèis | pms-002 | fìs |
| Gaeilge | gle-000 | fís |
| Ruáingga | rhg-000 | fís |
| Kurmancî | kmr-000 | fîs |
| Türkçe | tur-000 | fış |