| Cymraeg | cym-000 | ffenigrig |
| Cymraeg | cym-000 | ffenomen |
| Cymraeg | cym-000 | ffenomenau |
| Brithenig | bzt-000 | Ffens |
| Brithenig | bzt-000 | ffens |
| Cymraeg | cym-000 | ffens |
| Cymraeg | cym-000 | ffensio |
| Cymraeg | cym-000 | ffensys |
| Deutsch | deu-000 | ffentlichkeit |
| تشلحيت | shi-000 | ffenzer |
| Woleaian | woe-000 | ffeo |
| Brithenig | bzt-000 | ffer |
| تشلحيت | shi-000 | ffer |
| Cymraeg | cym-000 | ffêr |
| Cymraeg | cym-000 | fferi |
| Sranantongo | srn-000 | fferi |
| Cymraeg | cym-000 | fferins |
| Brithenig | bzt-000 | fferir |
| Brithenig | bzt-000 | fferir lla ffreghendasc |
| Cymraeg | cym-000 | fferllyd |
| Cymraeg | cym-000 | fferm |
| Cymraeg | cym-000 | ffermdy |
| Cymraeg | cym-000 | ffermio |
| Cymraeg | cym-000 | ffermiwm |
| Cymraeg | cym-000 | ffermwr |
| Cymraeg | cym-000 | ffermwraig |
| Cymraeg | cym-000 | ffermwyr |
| Cymraeg | cym-000 | ffermydd |
| Cymraeg | cym-000 | fferru |
| تشلحيت | shi-000 | ffersi |
| تشلحيت | shi-000 | ffertel |
| Brithenig | bzt-000 | fferyd |
| Cymraeg | cym-000 | fferyllfa |
| Cymraeg | cym-000 | fferyllfeydd |
| Cymraeg | cym-000 | fferylliaeth |
| Cymraeg | cym-000 | fferyllol |
| Cymraeg | cym-000 | fferyllwr |
| Cymraeg | cym-000 | fferyllwyr |
| Cymraeg | cym-000 | fferyllydd |
| Cymraeg | cym-000 | Ffesant |
| Cymraeg | cym-000 | ffesant |
| Brithenig | bzt-000 | ffesc |
| Brithenig | bzt-000 | ffesc rhedun |
| Brithenig | bzt-000 | ffest |
| Cymraeg | cym-000 | ffest |
| Brithenig | bzt-000 | ffestar |
| Brithenig | bzt-000 | ffestigar |
| Cymraeg | cym-000 | Ffestiniog |
| English | eng-000 | Ffestiniog |
| Deutsch | deu-000 | Ffestiniog Railway |
| English | eng-000 | Ffestiniog Railway |
| English | eng-000 | Ffestiniog Railway Letter Service |
| Cymraeg | cym-000 | ffetan |
| Brithenig | bzt-000 | ffeth addesiw |
| Cymraeg | cym-000 | ffeuen |
| Cymraeg | cym-000 | ffeuen soia |
| Brithenig | bzt-000 | ffew |
| Brithenig | bzt-000 | ffewy |
| English | eng-000 | F. F. E. Yeo-Thomas |
| Taqbaylit | kab-000 | ffeẓ |
| English | eng-000 | FF&EZ Uncompressed Data Archive |
| تشلحيت | shi-000 | ffezz |
| kinship notation | art-251 | FFF |
| English | eng-000 | FFF |
| filename extensions | art-335 | fff |
| U+ | art-254 | FFF0 |
| U+ | art-254 | FFF9 |
| U+ | art-254 | FFFA |
| U+ | art-254 | FFFB |
| U+ | art-254 | FFFC |
| U+ | art-254 | FFFD |
| U+ | art-254 | FFFE |
| U+ | art-254 | FFFF |
| English | eng-000 | F-F-F-Falling |
| svenska | swe-000 | F-F-F-Falling |
| TechTarget file types | art-336 | FFF-Fax-document-defFax |
| Kiswahili | swh-000 | ffffff |
| čeština | ces-000 | Fffff...plesk! |
| TechTarget file types | art-336 | FFF-GUS-PnP-bank-file |
| English | eng-000 | FF＝firefighter |
| santostefanese | ita-002 | f’ff’meu’ |
| Takia | tbc-000 | -fffu |
| English | eng-000 | FFG |
| Deutsch | deu-000 | FFH |
| English | eng-000 | FFH |
| íslenska | isl-000 | FFH |
| English | eng-000 | FFI |
| ISO 639-3 | art-001 | ffi |
| Cymraeg | cym-000 | ffi |
| Myaakufutsu | mvi-000 | ffi |
| Yaimamuni | rys-002 | ffi |
| تشلحيت | shi-000 | ffi |
| Peace Corps 2007 Tamazight | tzm-009 | ffi |
| ISO 639-PanLex | art-274 | ffi-000 |
| Cymraeg | cym-000 | ffiaidd |
| Cymraeg | cym-000 | ffibrosis systig |
| Brithenig | bzt-000 | ffidd |
| Brithenig | bzt-000 | ffiddwyl |
| Brithenig | bzt-000 | ffiddwyldad |
| Cymraeg | cym-000 | ffidil |
| Brithenig | bzt-000 | ffidl |
| Cymraeg | cym-000 | ffidl |
| Cymraeg | cym-000 | ffidlan |
| Cymraeg | cym-000 | ffidler |
| Cymraeg | cym-000 | ffidlo |
| Cymraeg | cym-000 | ffieiddbeth |
| Cymraeg | cym-000 | ffieidd-dod |
| Cymraeg | cym-000 | ffieidd-dra |
| Cymraeg | cym-000 | ffieiddio |
| Cymraeg | cym-000 | ffieiddrwydd |
| napulitano | nap-000 | ffierro |
| Brithenig | bzt-000 | ffifwl |
| Cymraeg | cym-000 | ffig |
| Cymraeg | cym-000 | ffigur |
| Cymraeg | cym-000 | ffigurau |
| Cymraeg | cym-000 | ffigurol |
| Cymraeg | cym-000 | ffigwr |
| Cymraeg | cym-000 | ffigyrau |
| Cymraeg | cym-000 | ffigysbren |
| Cymraeg | cym-000 | ffigysen |
| čeština | ces-000 | FFII |
| français | fra-000 | FFII |
| español | spa-000 | FFII |
| Cymraeg | cym-000 | Ffiji |
| Cymraeg | cym-000 | Ffijïeg |
| filename extensions | art-335 | ffil |
| Brithenig | bzt-000 | ffil |
| Carolinian | cal-000 | ffil |
| Cymraeg | cym-000 | ffilament |
| TechTarget file types | art-336 | FFIL-Display-Font |
| TechTarget file types | art-336 | FFIL-Font-Suitcasenager-Pdfont |
| Cymraeg | cym-000 | ffili |
| Woleaian | woe-000 | ffili |
| Cymraeg | cym-000 | Ffilipineg |
| Brithenig | bzt-000 | ffilm |
| Cymraeg | cym-000 | ffilm |
| TechTarget file types | art-336 | FFIL-Mac-OS-X-Data-Fork-Suitcase-Format |
| Cymraeg | cym-000 | ffilm antur |
| Cymraeg | cym-000 | ffilm arswyd |
| Cymraeg | cym-000 | ffilm fud |
| Cymraeg | cym-000 | ffilmiau |
| Cymraeg | cym-000 | Ffilmiau Hammer |
| Cymraeg | cym-000 | ffilmio |
| Cymraeg | cym-000 | ffilm ramantus |
| Cymraeg | cym-000 | Ffilm yng Nghymru |
| Cymraeg | cym-000 | ffiloreg |
| Brithenig | bzt-000 | ffiloseiff |
| Cymraeg | cym-000 | ffin |
| Cymraeg | cym-000 | ffîn |
| Brithenig | bzt-000 | ffinanneir |
| Cymraeg | cym-000 | Ffindir |
| Takuu | nho-000 | ffine |
| Cymraeg | cym-000 | Ffineg |
| Brithenig | bzt-000 | ffinger |
| Proto-Chuukic | chk-001 | *ffini |
| Cymraeg | cym-000 | ffiniau |
| Cymraeg | cym-000 | Ffin ieithyddol Sir Benfro |
| Cymraeg | cym-000 | ffinio |
| Cymraeg | cym-000 | ffiniol |
| Cymraeg | cym-000 | Ffinneg |
| Cymraeg | cym-000 | ffinneg |
| Cymraeg | cym-000 | Ffinneg Tornedal |
| Brithenig | bzt-000 | Ffinystiw |
| Cymraeg | cym-000 | ffïoedd |
| Cymraeg | cym-000 | ffiol |
| Cymraeg | cym-000 | ffiord |
| Brithenig | bzt-000 | ffirfar |
| Oluganda | lug-000 | ffirimbi |
| Malti | mlt-000 | ffirma |
| Malti | mlt-000 | ffirmat |
| English | eng-000 | ffirst thing that comes to mind |
| Cymraeg | cym-000 | ffiseg |
| Cymraeg | cym-000 | ffisegol |
| Cymraeg | cym-000 | ffisegwr |
| Cymraeg | cym-000 | ffisig |
| Cymraeg | cym-000 | ffisigwr |
| Cymraeg | cym-000 | ffisigwriaeth |
| Cymraeg | cym-000 | ffisiograffeg |
| Cymraeg | cym-000 | ffisioleg |
| Cymraeg | cym-000 | ffisiolegydd |
| Cymraeg | cym-000 | ffisiolegyddion |
| Cymraeg | cym-000 | ffisiotherapi |
| Cymraeg | cym-000 | ffisiotherapydd |
| Cymraeg | cym-000 | ffisiotherapyddion |
| Gedeo | drs-000 | ffiːss- |
| Cymraeg | cym-000 | ffit |
| Brithenig | bzt-000 | ffithigʼ |
| Brithenig | bzt-000 | ffithiwn |
| Cymraeg | cym-000 | ffitio |
| Cymraeg | cym-000 | ffitrwydd |
| English | eng-000 | F.&Fitz. |
| bahasa Indonesia | ind-000 | F Fitzgerald |
| bahasa Indonesia | ind-000 | F. Fitzgerald |
| filename extensions | art-335 | ffivw |
| TechTarget file types | art-336 | FFIVW-ASCII-File-Format |
| TechTarget file types | art-336 | FFIVW-ASCII-File-Format-for-the-Interchange-of-Virtual-Worlds-VRML |
| Cymraeg | cym-000 | ffiwdalhau |
| Cymraeg | cym-000 | ffiwdaliaeth |
| Cymraeg | cym-000 | ffiws |
| Cymraeg | cym-000 | ffiwsio |
| تشلحيت | shi-000 | ffizzi |
| Deutsch | deu-000 | FF Jaro |
| English | eng-000 | FF Jaro |
| suomi | fin-000 | FF Jaro |
| français | fra-000 | FF Jaro |
| italiano | ita-000 | FF Jaro |
| svenska | swe-000 | FF Jaro |
| lietuvių | lit-000 | FF Jaro Pietarsaari |
| Nederlands | nld-000 | FF Jaro Pietarsaari |
| Nederlands | nld-000 | FFK ŽAK Sombor |
| English | eng-000 | F.Fl |
| filename extensions | art-335 | ffl |
| mədəŋkyɛ | bgj-000 | f‿f̂l̂ |
| Brithenig | bzt-000 | fflacʼ |
| Cymraeg | cym-000 | fflach |
| Cymraeg | cym-000 | fflachiad |
| Cymraeg | cym-000 | fflachiau |
| Cymraeg | cym-000 | fflachio |
| Cymraeg | cym-000 | fflachlamp |
| English | eng-000 | F flag |
| English | eng-000 | Fflag |
| Cymraeg | cym-000 | fflag |
| Cymraeg | cym-000 | fflaim |
| Brithenig | bzt-000 | fflam |
| Cymraeg | cym-000 | fflam |
| Cymraeg | cym-000 | fflamadwy |
| Brithenig | bzt-000 | fflamar |
| Cymraeg | cym-000 | fflamgoch |
| Cymraeg | cym-000 | fflamio |
| Cymraeg | cym-000 | fflamllyd |
| Brithenig | bzt-000 | fflampluin |
| Cymraeg | cym-000 | fflamwydden |
| Cymraeg | cym-000 | fflamychu |
| Cymraeg | cym-000 | Fflandrys |
| Cymraeg | cym-000 | fflangell |
| Cymraeg | cym-000 | fflangellu |
| Cymraeg | cym-000 | fflasg |
| Cymraeg | cym-000 | fflasgiau |
| English | eng-000 | F flat |
| English | eng-000 | F-flat |
| Cymraeg | cym-000 | fflat |
| Cymraeg | cym-000 | fflatiau |
| Cymraeg | cym-000 | fflatio |
| Cymraeg | cym-000 | fflaw |
| chiShona | sna-000 | ffldbubvudza |
| chiShona | sna-000 | ffldilirika |
| Cymraeg | cym-000 | fflebitis |
| Brithenig | bzt-000 | ffleither |
| Cymraeg | cym-000 | Fflemeg |
| Cymraeg | cym-000 | Fflemeg Gorllewinol |
| English | eng-000 | F flemish down |
| Brithenig | bzt-000 | fflew |
| Cymraeg | cym-000 | fflewyn |
| Brithenig | bzt-000 | fflewyr |
| English | eng-000 | FF Lillehammer |
| TechTarget file types | art-336 | FFL-Image-file-PrintMaster-Gold |
| Cymraeg | cym-000 | Fflint |
| Cymraeg | cym-000 | fflint |
| Cymraeg | cym-000 | fflio |
| Cymraeg | cym-000 | fflip-fflops |
| English | eng-000 | fflirt |
| Cymraeg | cym-000 | ffliw |
| Cymraeg | cym-000 | Ffliw adar |
| Cymraeg | cym-000 | ffliwt |
| Cymraeg | cym-000 | ffliwt draws |
| mədəŋkyɛ | bgj-000 | f‿f̂l̂mb̂ɭ |
| chiShona | sna-000 | fflmidaira |
| TechTarget file types | art-336 | FFL-MS-fast-find-file |
| English | eng-000 | fflooding angle |
| Cymraeg | cym-000 | Fflorens |
| Cymraeg | cym-000 | Fflorida |
| Cymraeg | cym-000 | Fflorin Aruba |
| Cymraeg | cym-000 | fflorin Aruba |
| Brithenig | bzt-000 | fflothar |
| Takia | tbc-000 | fflu- |
| Brithenig | bzt-000 | ffluifl |
| Brithenig | bzt-000 | fflur |
| Brithenig | bzt-000 | ffluridd |
| Brithenig | bzt-000 | fflurir |
| Brithenig | bzt-000 | fflus |
| Brithenig | bzt-000 | ffl+ut |
| Cymraeg | cym-000 | fflwch |
| Cymraeg | cym-000 | fflworin |
| Cymraeg | cym-000 | fflwr |
| Cymraeg | cym-000 | fflyd |
| Cymraeg | cym-000 | fflyrtio |
| kinship notation | art-251 | FFM |
| Deutsch | deu-000 | Ffm. |
| ISO 639-3 | art-001 | ffm |
| ISO 639-PanLex | art-274 | ffm-000 |
| Lengua de signos española | ssp-000 | f.Fmacb |
| Deutsch | deu-000 | FF Meta |
| English | eng-000 | FF Meta |
| English | eng-000 | FFML |
| čeština | ces-000 | FFmpeg |
| 普通话 | cmn-000 | FFmpeg |
| 國語 | cmn-001 | FFmpeg |
| Deutsch | deu-000 | FFmpeg |
| English | eng-000 | FFmpeg |
| suomi | fin-000 | FFmpeg |
| français | fra-000 | FFmpeg |
| italiano | ita-000 | FFmpeg |
| Nederlands | nld-000 | FFmpeg |
| polski | pol-000 | FFmpeg |
| русский | rus-000 | FFmpeg |
| español | spa-000 | FFmpeg |
| 日本語 | jpn-000 | Ffmpeg |