| Südbadisch | gsw-003 | Bsüchle |
| Schwäbisch | swg-000 | Bsüchle |
| Südbadisch | gsw-003 | Bsuech |
| Sidtirolarisch | bar-002 | Bsuff |
| Sidtirolarisch | bar-002 | bsuff |
| Südbadisch | gsw-003 | bsuffe |
| Altfränkisch | frk-000 | bsuffm |
| Altfränkisch | frk-000 | bsuffms |
| Emiliàn | egl-000 | bsugnos |
| Muisca | chb-000 | bsuhusqua |
| yidish | ydd-001 | bsule |
| English | eng-000 | BSUM |
| chiShona | sna-000 | bsumbudza |
| chiShona | sna-000 | bsumbuka |
| chiShona | sna-000 | -bsumburuka |
| chiShona | sna-000 | bsun2andibsume |
| chiShona | sna-000 | bsundemrt |
| Südbadisch | gsw-003 | Bsunderheit |
| Südbadisch | gsw-003 | bsunders |
| Südbadisch | gsw-003 | bsunders gscheid |
| chiShona | sna-000 | -bsunganisa |
| Altfränkisch | frk-000 | bsunna |
| bod skad | bod-001 | bsun po |
| chiShona | sna-000 | bsunyi |
| chiShona | sna-000 | bsunzawabaya |
| chiShona | sna-000 | bsuo |
| English | eng-000 | B supergiant stars |
| chiShona | sna-000 | bsupfupfu |
| English | eng-000 | b supply |
| حجازي | acw-000 | b-surʻa |
| chiShona | sna-000 | bsuraudza |
| yidish | ydd-001 | bsure or psure |
| Türkçe | tur-000 | B Sürücüsü |
| Türkçe | tur-000 | B:\ sürücüsü |
| Türkçe | tur-000 | B Sütunu |
| ISO 639-3 | art-001 | bsv |
| filename extensions | art-335 | bsv |
| Deutsch | deu-000 | BSV 07 Schwenningen |
| français | fra-000 | BSV 92 Berlin |
| TechTarget file types | art-336 | BSV-BASIC-Bsave-Graphics |
| TechTarget file types | art-336 | BSV-Bluespec-SystemVerilog |
| Afrikaans | afr-000 | BSV Kickers Emden |
| Nederlands | nld-000 | BSV Kickers Emden |
| English | eng-000 | BSV Schwenningen |
| English | eng-000 | B.S.＆W. |
| English | eng-000 | BS & W |
| English | eng-000 | BS&W |
| English | eng-000 | BSW |
| English | eng-000 | BS＆W |
| ISO 639-3 | art-001 | bsw |
| filename extensions | art-335 | bsw |
| ISO 639-PanLex | art-274 | bsw-000 |
| TechTarget file types | art-336 | BSW-Business-Scorecard-Manager-workspace-file |
| حجازي | acw-000 | b-šwēš |
| ISO 3166-2 | art-416 | BS-WG |
| English | eng-000 | BSWG |
| langue picarde | pcd-000 | b’swîn |
| English | eng-000 | B&S wire gauge |
| English | eng-000 | B-switchboard |
| English | eng-000 | BS＆W monitor |
| English | eng-000 | BSWPD |
| English | eng-000 | BSWPH |
| ISO 639-3 | art-001 | bsx |
| ISO 639-PanLex | art-274 | bsx-000 |
| ISO 639-3 | art-001 | bsy |
| filename extensions | art-335 | bsy |
| ISO 639-PanLex | art-274 | bsy-000 |
| ISO 639-PanLex | art-274 | bsy-001 |
| TechTarget file types | art-336 | BSY-Busy-flag-FTN-soft |
| TechTarget file types | art-336 | BSY-FTN-Soft-Busy-Flag |
| English | eng-000 | B-symptoms |
| TechTarget file types | art-336 | BSY-VTrain-Vocabulary-Trainer-Learning-Cardfile-Paul-Raedle |
| ISO 639-3 Retired Code Elements | art-324 | bsz |
| filename extensions | art-335 | bsz |
| TechTarget file types | art-336 | BSZ-BSplayer-Compressed-Skin-File-BST2K-Networks |
| TechTarget file types | art-336 | BSZ-BSplayer-Skin-Header |
| suomi | fin-000 | BS Zelda |
| français | fra-000 | BS Zelda |
| português | por-000 | BS Zelda |
| suomi | fin-000 | BS Zelda: Kodai no Sekiban |
| English | eng-000 | BS Zelda no Densetsu |
| English | eng-000 | BS Zelda no Densetsu Kodai no Sekiban |
| español | spa-000 | BS Zelda no Densetsu Kodai no Sekiban |
| bokmål | nob-000 | B-søyle |
| English | eng-000 | BSА |
| 日本語 | jpn-000 | BSゼルダの伝説 |
| 日本語 | jpn-000 | BSゼルダの伝説 古代の石盤 |
| 普通话 | cmn-000 | bs线规 |
| filename extensions | art-335 | !bt |
| dansk | dan-000 | B.T. |
| English | eng-000 | B.T. |
| français | fra-000 | B.T. |
| bokmål | nob-000 | B.T. |
| svenska | swe-000 | B.T. |
| ISO 3166 alpha | art-006 | BT |
| čeština | ces-000 | BT |
| English | eng-000 | BT |
| français | fra-000 | BT |
| italiano | ita-000 | BT |
| 日本語 | jpn-000 | BT |
| bokmål | nob-000 | BT |
| polski | pol-000 | BT |
| português | por-000 | BT |
| português brasileiro | por-001 | BT |
| português europeu | por-002 | BT |
| română | ron-000 | BT |
| slovenščina | slv-000 | BT |
| español | spa-000 | BT |
| svenska | swe-000 | BT |
| English | eng-000 | Bt |
| español | spa-000 | Bt |
| qaraqalpaq tili | kaa-000 | b.t. |
| Middle Egyptian | egy-003 | bT |
| filename extensions | art-335 | bt |
| English | eng-000 | bt |
| dabarīm Kana`nīm | phn-001 | bt |
| Ugaritic | uga-001 | bt |
| filename extensions | art-335 | bt! |
| filename extensions | art-335 | bt1 |
| ISO 3166-2 | art-416 | BT-11 |
| ISO 3166-2 | art-416 | BT-12 |
| ISO 3166-2 | art-416 | BT-13 |
| English | eng-000 | BT-13 Valiant |
| ISO 3166-2 | art-416 | BT-14 |
| ISO 3166-2 | art-416 | BT-15 |
| TechTarget file types | art-336 | BT1-Battery-analyzer-test-file |
| eesti | ekk-000 | BT-2 |
| filename extensions | art-335 | bt2 |
| ISO 3166-2 | art-416 | BT-21 |
| ISO 3166-2 | art-416 | BT-22 |
| ISO 3166-2 | art-416 | BT-23 |
| ISO 3166-2 | art-416 | BT-24 |
| TechTarget file types | art-336 | BT2-Batch-Barcode-Maker-file |
| filename extensions | art-335 | bt3 |
| Bahasa Malaysia | zsm-000 | bt³ |
| ISO 3166-2 | art-416 | BT-31 |
| ISO 3166-2 | art-416 | BT-32 |
| ISO 3166-2 | art-416 | BT-33 |
| ISO 3166-2 | art-416 | BT-34 |
| TechTarget file types | art-336 | BT3-Control-Runner-Button-Configuration-File-MomSoft |
| ISO 3166-2 | art-416 | BT-41 |
| ISO 3166-2 | art-416 | BT-42 |
| ISO 3166-2 | art-416 | BT-43 |
| ISO 3166-2 | art-416 | BT-44 |
| ISO 3166-2 | art-416 | BT-45 |
| filename extensions | art-335 | bt5 |
| TechTarget file types | art-336 | BT5-ERP5-Business-template-file |
| ภาษาไทย | tha-000 | BT-67 |
| English | eng-000 | Bt829 Capture |
| English | eng-000 | Bt829 Crossbar |
| Türkçe | tur-000 | Bt829 Çubuk |
| Türkçe | tur-000 | Bt829 Yakalama |
| English | eng-000 | B.T.A. |
| English | eng-000 | BTA |
| español | spa-000 | Bta. |
| ISO 639-3 | art-001 | bta |
| ISO 639 | art-005 | bta |
| Khasi | kha-000 | bta |
| ISO 639-PanLex | art-274 | bta-000 |
| ISO 639-PanLex | art-274 | bta-001 |
| ISO 639-PanLex | art-274 | bta-002 |
| English | eng-000 | BTAB |
| filename extensions | art-335 | btab |
| English | eng-000 | btab |
| chiShona | sna-000 | -b ta basa |
| TechTarget file types | art-336 | BTAB-Base-Guitar-Tabulature |
| Arāmît | oar-000 | btaddīrā ̃ bʔammīn |
| English | eng-000 | BTA deep-hole-drilling system |
| Bodéwadmimwen | pot-000 | btakwshkek |
| Bodéwadmimwen | pot-000 | btakwshkewat |
| Malti | mlt-000 | btala |
| Malti | mlt-000 | btala pubblika |
| English | eng-000 | BTAM |
| English | eng-000 | btam |
| Mon | mnw-002 | btam |
| English | eng-000 | BTAN |
| Mundabli | boe-001 | bTan |
| Takia | tbc-000 | -btane |
| Takia | tbc-000 | btane-k |
| Tboli | tbl-000 | btang |
| Limbum | lmp-000 | bta˩˥nya˩˥a |
| dižəʼəxon | zav-000 | btao' |
| dižaʼxon | zpq-000 | btao' |
| filename extensions | art-335 | btapp |
| TechTarget file types | art-336 | BTAPP-uTorrent-App |
| Türkçe | tur-000 | b-tarama |
| Atayal | tay-000 | btasan mxan |
| el maghribïya | ary-001 | Bʼtata |
| el maghribïya | ary-001 | bTâTa |
| Peace Corps 2007 Tamazight | tzm-009 | bṭaṭa |
| Proto-Southern Mindanaon | map-003 | *(b)tatak |
| English | eng-000 | BTA tool |
| தமிழ் | tam-000 | btaÚ® |
| ivrit | heb-002 | bṭaut |
| Tboli | tbl-000 | btaŋ |
| English | eng-000 | BTB |
| ISO 639 | art-005 | btb |
| ISO 639-3 Retired Code Elements | art-324 | btb |
| Deutsch | deu-000 | Bt-Baumwolle |
| TechTarget file types | art-336 | BT-Binary-Template-Archive |
| TechTarget file types | art-336 | BT-BitTorrent-Partially-Downloaded-File-Bram-Cohen-now-maintained-by-BitTorrent-Inc |
| TechTarget file types | art-336 | BT-BluffTitler-Show-Header |
| TechTarget file types | art-336 | BT-BTwin-project-file |
| English | eng-000 | BT-C |
| English | eng-000 | BTC |
| ISO 639-3 | art-001 | btc |
| ISO 639 | art-005 | btc |
| filename extensions | art-335 | btc |
| English | eng-000 | btc |
| ISO 639-PanLex | art-274 | btc-000 |
| santostefanese | ita-002 | b’t’car’gli’ |
| TechTarget file types | art-336 | BTC-Becker-Tools-compressed-archive-file |
| Deutsch | deu-000 | BTCC |
| English | eng-000 | BTCC |
| svenska | swe-000 | BTCC |
| English | eng-000 | bt cut quartz |
| 日本語 | jpn-000 | BTD |
| ISO 639-3 | art-001 | btd |
| filename extensions | art-335 | btd |
| ISO 639-PanLex | art-274 | btd-000 |
| ISO 639-PanLex | art-274 | btd-001 |
| TechTarget file types | art-336 | BTD-Business-in-a-Box-File-BizTree-Inc |
| English | eng-000 | BTDC |
| TechTarget file types | art-336 | BTD-Data-file |
| English | eng-000 | BTD Destroyer |
| tiếng Việt | vie-000 | BTD Destroyer |
| English | eng-000 | BT decomposition |
| TechTarget file types | art-336 | BTD-Power-To-Do-List-Data-Header |
| ISO 639-3 | art-001 | bte |
| Yavapai | yuf-002 | bte |
| ISO 639-PanLex | art-274 | bte-000 |
| ISO 639-PanLex | art-274 | bte-001 |
| English | eng-000 | B-TE1 |
| English | eng-000 | B-tectonite |
| English | eng-000 | Bteghrine |
| bokmål | nob-000 | Bteghrine |
| Yami | tao-000 | -btek |
| Arāmît | oar-000 | bṭel |
| English | eng-000 | b tel-leaf |
| Bodéwadmimwen | pot-000 | btemat |
| Bangi | bni-000 | b:temele |
| TechTarget file types | art-336 | B-Temporary-file |
| Bu | boe-000 | bTEn |
| Arāmît | oar-000 | bṭen |
| Khasi | kha-000 | btep |
| English | eng-000 | B-test |
| English | eng-000 | b test |
| Latina Nova | lat-003 | b. tetragona |
| TechTarget file types | art-336 | BT-EVwin-project-file |
| Deutsch | deu-000 | BTEX |
| English | eng-000 | BTEX |
| français | fra-000 | BTEX |
| 日本語 | jpn-000 | BTEX |
| Nederlands | nld-000 | BTEX |
| Deutsch | deu-000 | B. T. Express |
| English | eng-000 | B.T. Express |
| français | fra-000 | B.T. Express |
| svenska | swe-000 | B.T. Express |
| dižəʼəxon | zav-000 | btey |
| ivrit | heb-002 | bteyavon |
| Yavapai | yuf-002 | bteyi |
| Bodéwadmimwen | pot-000 | btezhot |
| English | eng-000 | BTF |
| ISO 639-3 | art-001 | btf |
| filename extensions | art-335 | btf |
| ISO 639-PanLex | art-274 | btf-000 |
| TechTarget file types | art-336 | BTF-Baires-Turf-Configuration-File-Zamaroht-Karel |
| TechTarget file types | art-336 | BTF-Bank-check-image-and-text-data |
| TechTarget file types | art-336 | BTF-Basi-Office-TypeFace-document-file |
| TechTarget file types | art-336 | BTF-Brother-scanner-file |
| filename extensions | art-335 | btfl |
| TechTarget file types | art-336 | BTFL-Desktop-DB |
| TechTarget file types | art-336 | BTF-Nations-Bank-Check-File |
| English | eng-000 | BTFS |
| English | eng-000 | BTFT |
| ISO 639-3 | art-001 | btg |
| filename extensions | art-335 | btg |
| ISO 639-PanLex | art-274 | btg-000 |
| ISO 3166-2 | art-416 | BT-GA |
| English | eng-000 | BTG alloy |
| TechTarget file types | art-336 | BTG-Binary-TerraGear-FlightGear-scenary-data-Header |
| TechTarget file types | art-336 | BTG-FlightGear-scenery-file |
| English | eng-000 | BT Group |
| Esperanto | epo-000 | BT Group |
| français | fra-000 | BT Group |
| italiano | ita-000 | BT Group |
| Nederlands | nld-000 | BT Group |
| română | ron-000 | BT Group |
| русский | rus-000 | BT Group |
| español | spa-000 | BT Group |
| svenska | swe-000 | BT Group |
| 普通话 | cmn-000 | BTG镍铬钨合金 |
| ISO 639-3 | art-001 | bth |
| filename extensions | art-335 | bth |
| ISO 639-PanLex | art-274 | bth-000 |
| arevelahayeren | hye-002 | btʰamatˀ |