| English | eng-000 | ýbeside |
| ISO 639-3 | art-001 | ybh |
| ISO 639-PanLex | art-274 | ybh-000 |
| ISO 639-PanLex | art-274 | ybh-001 |
| filename extensions | art-335 | ybhtm |
| TechTarget file types | art-336 | YBHTM-yBook-HTML-File-Spacejock-Software |
| ISO 639-3 | art-001 | ybi |
| ISO 639-PanLex | art-274 | ybi-000 |
| español | spa-000 | y bien |
| tiếng Việt | vie-000 | ý biểu |
| Chiapanec | cip-000 | ybihi |
| English | eng-000 | YBILC |
| English | eng-000 | Ybit |
| suomi | fin-000 | Ybit |
| polski | pol-000 | Ybit |
| ISO 639-3 | art-001 | ybj |
| ISO 639-PanLex | art-274 | ybj-000 |
| ISO 639-3 | art-001 | ybk |
| filename extensions | art-335 | ybk |
| ISO 639-PanLex | art-274 | ybk-000 |
| TechTarget file types | art-336 | YBK-Yearbook-file-Microsoft-Encarta |
| ISO 639-3 | art-001 | ybl |
| ISO 639-PanLex | art-274 | ybl-000 |
| Cymraeg | cym-000 | Y Blaid Geidwadol |
| Cymraeg | cym-000 | Y Blaid Lafur |
| Cymraeg | cym-000 | Y Blaid Seneddol Wyddelig |
| magyar | hun-000 | Ybl Miklós |
| English | eng-000 | Y-block |
| ISO 639-3 | art-001 | ybm |
| filename extensions | art-335 | ybm |
| ISO 639-PanLex | art-274 | ybm-000 |
| TechTarget file types | art-336 | YBM-Bitmap-image-Face-file |
| TechTarget file types | art-336 | YBM-Face-Bitmap |
| ISO 639-3 | art-001 | ybn |
| ISO 639-PanLex | art-274 | ybn-000 |
| ISO 639-3 | art-001 | ybo |
| lingála | lin-000 | ybo |
| ISO 639-PanLex | art-274 | ybo-000 |
| Cymraeg | cym-000 | y bobl leol |
| bokmål | nob-000 | yboer |
| bokmål | nob-000 | yboermentalitet |
| Frysk | fry-000 | ybofoby |
| norskr | non-000 | ybogi |
| Cymraeg | cym-000 | Y Bont-faen |
| English | eng-000 | yBook Compiled eBook |
| English | eng-000 | yBook eBook file |
| English | eng-000 | yBook HTML File |
| English | eng-000 | yBook Text File |
| English | eng-000 | Ybor City |
| Cymraeg | cym-000 | Y Borth |
| English | eng-000 | ybound |
| English | eng-000 | Y box |
| Türkçe | tur-000 | Y Boyutlandırması |
| türkmençe | tuk-000 | Ybrahym dinleri |
| English | eng-000 | Y-branch |
| English | eng-000 | y branch |
| English | eng-000 | Y-branch fitting |
| English | eng-000 | Y-branch pipe |
| Cymraeg | cym-000 | y Brenin Arthur |
| yn Ghaelg | glv-000 | y brimman |
| Cymraeg | cym-000 | Y Brython Sisilaidd |
| tatar tele | tat-000 | YBS |
| Muisca | chb-000 | ybsa |
| filename extensions | art-335 | ybtxt |
| TechTarget file types | art-336 | YBTXT-yBook-Text-File-Spacejock-Software |
| la lojban. | jbo-000 | .ybu |
| español | spa-000 | y bueno |
| Muisca | chb-000 | ybunsuca |
| hrvatski | hrv-000 | y-bušenje |
| kinship notation | art-251 | yBW |
| Muyuw | myw-000 | ybwalag |
| Catawba | chc-000 | y> bwe |
| Catawba | chc-000 | y>`bwo`ha`ʼtcure |
| Middle Egyptian | egy-003 | ybX |
| ISO 639-3 | art-001 | ybx |
| ISO 639-PanLex | art-274 | ybx-000 |
| ñe’engatú | yrl-000 | Yby |
| ISO 639-3 | art-001 | yby |
| Tupinambá | tpn-000 | yby |
| Tupí | tpw-000 | yby |
| English | eng-000 | ýby |
| ISO 639-PanLex | art-274 | yby-000 |
| Cymraeg | cym-000 | Y Byd |
| English | eng-000 | Y Byd |
| Esperanto | epo-000 | Y Byd |
| Cymraeg | cym-000 | Y Byd Arabaidd |
| Cymraeg | cym-000 | y byd sydd ohoni |
| Tupinambá | tpn-000 | ybykuʼi |
| Iranshe | sai-000 | ybyra |
| Tupinambá | tpn-000 | ybyrá |
| Tupí | tpw-000 | ybytãtã |
| Tupinambá | tpn-000 | ybytinga |
| Tupinambá | tpn-000 | ybytu |
| Tupí | tpw-000 | ybytu |
| Tupinambá | tpn-000 | ybytuaíba |
| Tupí | tpw-000 | ybytucatú |
| Tupinambá | tpn-000 | ybytugûasu |
| Cymraeg | cym-000 | ybyty |
| Tupinambá | tpn-000 | ybytyra |
| Muisca | chb-000 | ybza |
| filename extensions | art-335 | yc |
| suomi | fin-000 | YC-14 |
| 日本語 | jpn-000 | YC-14 |
| 日本語 | jpn-000 | YC-15 |
| Wanuku rimay | qub-000 | -yca- |
| Iaai | iai-000 | yca |
| Muisca | chb-000 | yc abiasqua |
| English | eng-000 | Y-Cable |
| English | eng-000 | Y-cable |
| Muisca | chb-000 | ycabozaz |
| yn Ghaelg | glv-000 | Y Caggey Boeragh |
| yn Ghaelg | glv-000 | Y Caladoan Noa |
| tiếng Việt | vie-000 | ý cẩm |
| Cymraeg | cym-000 | Y Camerŵn |
| Cymraeg | cym-000 | y Camerŵn |
| tiếng Việt | vie-000 | ý cẩm hoàn hương |
| tiếng Việt | vie-000 | ý cẩm hồi hương |
| Muisca | chb-000 | ycamicaz |
| Englisce sprǣc | ang-000 | ycan |
| tiếng Việt | vie-000 | ý căn |
| Cymraeg | cym-000 | y cant |
| suomi | fin-000 | Y Canum Venaticorum |
| français | fra-000 | Y Canum Venaticorum |
| português | por-000 | Y Canum Venaticorum |
| English | eng-000 | Y-capacitor |
| TechTarget file types | art-336 | YC-Archive-YACC-YAC-EXE |
| Cymraeg | cym-000 | Y Caribî |
| Cymraeg | cym-000 | y Cariwr Dŵr |
| Cymraeg | cym-000 | Y Carneddau |
| English | eng-000 | Y cartilage |
| čeština | ces-000 | YCbCr |
| English | eng-000 | YCbCr |
| français | fra-000 | YCbCr |
| Hangungmal | kor-001 | YCbCr |
| filename extensions | art-335 | ycbcr |
| filename extensions | art-335 | ycbcra |
| TechTarget file types | art-336 | YCBCRA-Raw-Y-Cb-Cr-and-alpha-sample-file |
| Deutsch | deu-000 | YCbCr-Farbmodell |
| TechTarget file types | art-336 | YCBCR-Raw-Y-Cb-and-Cr-sample-file |
| Muisca | chb-000 | yc bsuhusqua |
| Muisca | chb-000 | yc btasqua |
| Abipon | axb-000 | yccaí |
| English | eng-000 | Y.&C.Ch. |
| Muisca | chb-000 | yc chan |
| Nourmaund | xno-000 | yce |
| Cha7³¹ tinyan³ | ctz-000 | yc̷ẽ |
| Englisce sprǣc | ang-000 | ȳce |
| Cymraeg | cym-000 | Y Cefnfor Tawel |
| Cymraeg | cym-000 | y Cefnfor Tawel |
| Nourmaund | xno-000 | ycel |
| English | eng-000 | Y cell |
| Nourmaund | xno-000 | ycelli |
| Nourmaund | xno-000 | ycellui |
| Nourmaund | xno-000 | ycelluy |
| Nourmaund | xno-000 | ycelly |
| Cymraeg | cym-000 | Y Celtiaid |
| Cymraeg | cym-000 | y Celtiaid |
| Nourmaund | xno-000 | ycelu |
| Nourmaund | xno-000 | ycelui |
| Nourmaund | xno-000 | ycely |
| Cymraeg | cym-000 | y cenau |
| Cymraeg | cym-000 | Y Cenhedloedd Unedig |
| Nourmaund | xno-000 | yceo |
| Nourmaund | xno-000 | ycest |
| Nourmaund | xno-000 | ycestui |
| Türkçe | tur-000 | Y-cetveli |
| English | eng-000 | Y.&C.Ex. |
| ISO 639-3 | art-001 | ych |
| Cymraeg | cym-000 | ych |
| Wik-Mungkan | wim-000 | ych |
| Wymysiöeryś | wym-000 | ych |
| ISO 639-PanLex | art-274 | ych-000 |
| yn Ghaelg | glv-000 | y Chaairliagh |
| Cymraeg | cym-000 | ych a fi |
| yn Ghaelg | glv-000 | y chalee |
| yn Ghaelg | glv-000 | y çhalee |
| yn Ghaelg | glv-000 | y challid |
| yn Ghaelg | glv-000 | Y Chamboyd |
| yn Ghaelg | glv-000 | Y Chanadey |
| English | eng-000 | Y channel |
| English | eng-000 | Y-channel |
| yn Ghaelg | glv-000 | Y Charrey |
| yn Ghaelg | glv-000 | Y Chashteel |
| filename extensions | art-335 | ychat |
| yn Ghaelg | glv-000 | Y Çheer Swassee |
| yn Ghaelg | glv-000 | Y Çheer Thai |
| yn Ghaelg | glv-000 | y cheh shoh |
| yn Ghaelg | glv-000 | y cheilley |
| Urin Buliwya | quh-000 | -ychej |
| Frysk | fry-000 | ychel |
| Frysk | fry-000 | ychelbaarch |
| Fräiske Sproake | stq-000 | ychelbaarch |
| Cymraeg | cym-000 | ychen |
| Qusqu qhichwa simi | quz-000 | -ycheq |
| Cymraeg | cym-000 | ych gwyllt |
| toskërishte | als-000 | Ychhöörnli |
| Schwizerdütsch | gsw-000 | Ychhöörnli |
| Lamas-Luritu kichwa | qvs-000 | -ychi |
| tiếng Việt | vie-000 | ý chí |
| tiếng Việt | vie-000 | ý chỉ |
| Shukllachishka Kichwa | que-001 | -ychic |
| yn Ghaelg | glv-000 | y chied rheynn |
| Chanka rimay | quy-000 | -ychik |
| Qusqu qhichwa simi | quz-000 | -ychik |
| Impapura | qvi-000 | -ychik |
| yn Ghaelg | glv-000 | Y Çhillee |
| tiếng Việt | vie-000 | ý chí luận |
| yn Ghaelg | glv-000 | Y Chimbabwe |
| yn Ghaelg | glv-000 | Y Çhimbabwe |
| tiếng Việt | vie-000 | ý chí mới chớm |
| tiếng Việt | vie-000 | y chính |
| tiếng Việt | vie-000 | ý chính |
| A@Side-PalmForward S@Side-PalmForward L@Side-PalmForward | ase-000 | Y@Chin-PalmBack |
| yn Ghaelg | glv-000 | y chione |
| Qusqu qhichwa simi | quz-000 | -ychiq |
| Arhintinap runasimin | qus-000 | -ychis |
| Qusqu qhichwa simi | quz-000 | -ychis |
| Qusqu qhichwa simi | quz-000 | -ychix |
| yn Ghaelg | glv-000 | Y Cholombey |
| yn Ghaelg | glv-000 | y chooid sloo |
| yn Ghaelg | glv-000 | y chooid smoo |
| yn Ghaelg | glv-000 | Y Choowait |
| yn Ghaelg | glv-000 | Y Chorea Twoaie |
| yn Ghaelg | glv-000 | Y Chorea Yiass |
| tiếng Việt | vie-000 | ý chợt nảy |
| tiếng Việt | vie-000 | ý chợt ny ra |
| yn Ghaelg | glv-000 | y chraghey |
| yn Ghaelg | glv-000 | Y chree |
| yn Ghaelg | glv-000 | y Chree |
| yn Ghaelg | glv-000 | Y Chreet |
| Deutsch | deu-000 | Y-Chromosom |
| English | eng-000 | Y-chromosomal Aaron |
| English | eng-000 | Y-chromosomal Adam |
| Nederlands | nld-000 | Y-chromosomale Adam |
| English | eng-000 | Y Chromosome |
| Universal Networking Language | art-253 | Y chromosome |
| English | eng-000 | Y chromosome |
| English | eng-000 | Y-chromosome |
| English | eng-000 | y chromosome |
| Universal Networking Language | art-253 | Y-chromosome(scn>biology) |
| Deutsch | deu-000 | Y-Chromosom-Träger |
| Afrikaans | afr-000 | Y-chromosoom |
| Nederlands | nld-000 | Y-chromosoom |
| yn Ghaelg | glv-000 | Y-chrooagh |
| Wik-Mungkan | wim-000 | ychta |
| tiếng Việt | vie-000 | y chu |
| Muisca | chb-000 | ychua |
| tiếng Việt | vie-000 | y chuẩn |
| Nourmaund | xno-000 | ychue |
| yn Ghaelg | glv-000 | y chummey |
| tiếng Việt | vie-000 | ý chừng |
| tiếng Việt | vie-000 | y chứng đau lưng |
| tiếng Việt | vie-000 | ý chủ đạo |
| Cymraeg | cym-000 | ychwaith |
| Cymraeg | cym-000 | ychwaneg |
| Cymraeg | cym-000 | ychwanegiad |
| Cymraeg | cym-000 | ychwanegiadau |
| Cymraeg | cym-000 | ychwanegion |
| Cymraeg | cym-000 | ychwanegol |
| Cymraeg | cym-000 | ychwanegu |
| Cymraeg | cym-000 | ychwanegu at |
| Cymraeg | cym-000 | ychwanegyn |
| Brithenig | bzt-000 | ychwenir |
| Cymraeg | cym-000 | y chwith |
| Brithenig | bzt-000 | ychwyl |
| Brithenig | bzt-000 | ychwylar |
| Cymraeg | cym-000 | Y Chwyldro Diwydiannol |
| Cymraeg | cym-000 | Y Chwyldro Ffrengig |
| Cymraeg | cym-000 | y Chwyldro Ffrengig |
| Kernowek | cor-000 | ychydig |
| Cymraeg | cym-000 | ychydig |
| Cymraeg | cym-000 | ychydigion |
| Cymraeg | cym-000 | ychydig o |
| Cymraeg | cym-000 | ych y fi |
| yn Ghaelg | glv-000 | Y Chyrgistaan |
| Nourmaund | xno-000 | yci |
| Ismaîn | art-229 | yçi |
| English | eng-000 | y circuit |
| English | eng-000 | Y-circulator |
| Türkçe | tur-000 | Yçişleri Bakanlığı |
| English | eng-000 | Y. C. James Yen |
| svenska | swe-000 | ycka |
| toskërishte | als-000 | yçkël |
| ISO 639-3 | art-001 | ycl |
| ISO 639-PanLex | art-274 | ycl-000 |
| English | eng-000 | yclad |
| English | eng-000 | ycleped |
| English | eng-000 | y-clept |
| English | eng-000 | yclept |
| English | eng-000 | Y-clevis |
| English | eng-000 | yclothed |
| yn Ghaelg | glv-000 | Y Clowack |
| yn Ghaelg | glv-000 | Y Clowean |
| yn Ghaelg | glv-000 | Y Clyst Iuaagagh |
| filename extensions | art-335 | ycm |
| русский | rus-000 | ycm. |
| TechTarget file types | art-336 | YCM-Yu-Gi-Oh-Card-Maker-File |
| TechTarget file types | art-336 | YCM-Yugioh-Card-Maker-file |