| English | eng-000 | P.R.O. |
| List of Glossing Abbreviations | art-306 | PRO |
| ISO 12620 | art-317 | PRO |
| English | eng-000 | PRO |
| Nederlands | nld-000 | PRO |
| Deutsch | deu-000 | Pro |
| English | eng-000 | Pro |
| English | eng-000 | Pro. |
| русский | rus-000 | [pro |
| Aizi | ahi-000 | pro |
| toskërishte | als-000 | pro |
| luenga aragonesa | arg-000 | pro |
| ISO 639-3 | art-001 | pro |
| ISO 639-2/T | art-002 | pro |
| ISO 639-2/B | art-003 | pro |
| ISO 639 | art-005 | pro |
| Romániço | art-013 | pro |
| Latino sine Flexione | art-014 | pro |
| Lingwa de Planeta | art-287 | pro |
| Sambahsa-mundialect | art-288 | pro |
| filename extensions | art-335 | pro |
| asturianu | ast-000 | pro |
| Butmas | bnr-000 | pro |
| català | cat-000 | pro |
| čeština | ces-000 | pro |
| hanácké | ces-002 | pro |
| dansk | dan-000 | pro |
| Deutsch | deu-000 | pro |
| Dutton Speedwords | dws-000 | pro |
| English | eng-000 | pro |
| Esperanto | epo-000 | pro |
| français | fra-000 | pro |
| Kandawo | gam-000 | pro |
| galego | glg-000 | pro |
| Hellēnikḗ | grc-001 | pro |
| hrvatski | hrv-000 | pro |
| Ido | ido-000 | pro |
| Glosa | igs-001 | pro |
| Interlingue | ile-000 | pro |
| interlingua | ina-000 | pro |
| bahasa Indonesia | ind-000 | pro |
| italiano | ita-000 | pro |
| la lojban. | jbo-000 | pro |
| Kơho | kpm-000 | pro |
| Kölsch | ksh-000 | pro |
| latine | lat-000 | pro |
| Zeneize | lij-002 | pro |
| lietuvių | lit-000 | pro |
| lingaz ladin | lld-000 | pro |
| Lëtzebuergesch | ltz-000 | pro |
| Eastern Mnong | mng-000 | pro |
| napulitano | nap-000 | pro |
| Nimboran | nir-000 | pro |
| nynorsk | nno-000 | pro |
| bokmål | nob-000 | pro |
| Novial | nov-000 | pro |
| Pochuri | npo-000 | pro |
| occitan | oci-000 | pro |
| provençau, nòrma mistralenca | oci-002 | pro |
| فارسی | pes-000 | pro |
| polski | pol-000 | pro |
| Roman | rmc-000 | pro |
| Serviko Romani | rmc-001 | pro |
| Selice Romani | rmc-002 | pro |
| Kosovo Arli Romani | rmn-003 | pro |
| lingua rumantscha | roh-000 | pro |
| español | spa-000 | pro |
| Sardu logudoresu | src-000 | pro |
| sardu | srd-000 | pro |
| Fräiske Sproake | stq-000 | pro |
| Urdu | urd-002 | pro |
| Nourmaund | xno-000 | pro |
| Bahasa Malaysia | zsm-000 | pro |
| čeština | ces-000 | pro- |
| English | eng-000 | pro- |
| français | fra-000 | pro- |
| polski | pol-000 | pro- |
| español | spa-000 | pro- |
| Bahasa Malaysia | zsm-000 | pro- |
| italiano | ita-000 | prò |
| napulitano | nap-000 | prò |
| valdugèis | pms-002 | prò |
| Hellēnikḗ | grc-001 | pró |
| português | por-000 | pró |
| português brasileiro | por-001 | pró |
| português europeu | por-002 | pró |
| Kơho Lach | kpm-002 | prô |
| langue picarde | pcd-000 | prô |
| Ngbugu | lnl-001 | prö |
| latine | lat-000 | prō |
| English | eng-000 | prọ |
| Kơho | kpm-000 | prọ |
| ISO 639-PanLex | art-274 | pro-000 |
| English | eng-000 | PRO100 3D Interior Catalog Element |
| English | eng-000 | PRO100 3D Interior Design Project |
| filename extensions | art-335 | pro2 |
| TechTarget file types | art-336 | PRO2-Euphoria-time-profile-listing-file |
| ISO 12620 | art-317 | PRO.3 |
| English | eng-000 | PRO.3 |
| filename extensions | art-335 | pro4 |
| English | eng-000 | Pro40 |
| filename extensions | art-335 | pro4dvd |
| filename extensions | art-335 | pro4pl |
| filename extensions | art-335 | pro4plx |
| filename extensions | art-335 | pro4x |
| filename extensions | art-335 | pro5 |
| filename extensions | art-335 | pro5dvd |
| filename extensions | art-335 | pro5pl |
| filename extensions | art-335 | pro5plx |
| filename extensions | art-335 | pro5x |
| čeština | ces-000 | Pro 7 |
| français | fra-000 | Pro 7 |
| English | eng-000 | Pro A |
| català | cat-000 | Proa |
| occitan | oci-000 | Proa |
| Dutton Speedwords | dws-000 | pro-a |
| luenga aragonesa | arg-000 | proa |
| asturianu | ast-000 | proa |
| català | cat-000 | proa |
| Chamoru | cha-000 | proa |
| Dutton Speedwords | dws-000 | proa |
| English | eng-000 | proa |
| galego | glg-000 | proa |
| Interlingue | ile-000 | proa |
| interlingua | ina-000 | proa |
| Lingua Franca Nova | lfn-000 | proa |
| lengua lígure | lij-000 | proa |
| lingaz ladin | lld-000 | proa |
| occitan | oci-000 | proa |
| português | por-000 | proa |
| Romanova | rmv-000 | proa |
| español | spa-000 | proa |
| Sardu logudoresu | src-000 | proa |
| sardu | srd-000 | proa |
| Tagalog | tgl-000 | proa |
| milanese | lmo-002 | proà |
| lengua lígure | lij-000 | prôa |
| Zeneize | lij-002 | prôa |
| Urdu | urd-002 | pro aap log |
| kaszëbsczi jãzëk | csb-000 | proaborcëjny |
| polski | pol-000 | proaborcyjny |
| English | eng-000 | proabortionist |
| galego | glg-000 | proaborto |
| Deutsch | deu-000 | Proaccelerin |
| English | eng-000 | proaccelerin |
| español | spa-000 | proaccelerin |
| français | fra-000 | Proaccélérine |
| français | fra-000 | proaccélérine |
| galego | glg-000 | proacelerina |
| español | spa-000 | proacelerino |
| asturianu | ast-000 | proacín |
| español | spa-000 | proacino |
| English | eng-000 | proacodus |
| English | eng-000 | proacrosome |
| English | eng-000 | proacrosomic granule |
| English | eng-000 | proactidil |
| Nederlands | nld-000 | proactief |
| français | fra-000 | proactif |
| tiếng Việt | vie-000 | Proactini |
| Romániço | art-013 | proactinio |
| română | ron-000 | proactiniu |
| English | eng-000 | proactinomycin |
| català | cat-000 | proactiu |
| română | ron-000 | proactiv |
| English | eng-000 | proactivator |
| Universal Networking Language | art-253 | proactive |
| English | eng-000 | proactive |
| English | eng-000 | proactive caching |
| English | eng-000 | proactive control |
| English | eng-000 | proactive enforcement |
| English | eng-000 | proactive facilitation |
| Universal Networking Language | art-253 | proactive(icl>adj) |
| Universal Networking Language | art-253 | proactive(icl>adj,ant>retroactive) |
| English | eng-000 | proactive inhibition |
| English | eng-000 | proactive interference |
| English | eng-000 | proactive investigation |
| English | eng-000 | proactive investigator |
| English | eng-000 | proactive learning |
| Universal Networking Language | art-253 | proactively |
| English | eng-000 | proactively |
| English | eng-000 | proactive maintenance |
| English | eng-000 | proactive management |
| français | fra-000 | proactivement |
| English | eng-000 | proactive need |
| English | eng-000 | proactive role |
| English | eng-000 | proactive software |
| español | spa-000 | proactividad |
| català | cat-000 | proactivitat |
| română | ron-000 | proactivitate |
| français | fra-000 | proactivité |
| English | eng-000 | proactivity |
| galego | glg-000 | proactivo |
| português europeu | por-002 | proactivo |
| español | spa-000 | proactivo |
| English | eng-000 | proadifen |
| français | fra-000 | pro-adjectif |
| GOLD 2010 | art-303 | Proadjective |
| ISO 12620 | art-317 | Proadjective |
| English | eng-000 | pro-adjective |
| eesti | ekk-000 | proadjektiiv |
| davvisámegiella | sme-000 | proadvearba |
| julevsámegiella | smj-000 | proadvearba |
| Deutsch | deu-000 | Pro-Adverb |
| GOLD 2010 | art-303 | Proadverb |
| ISO 12620 | art-317 | Proadverb |
| English | eng-000 | pro-adverb |
| eesti | ekk-000 | proadverb |
| bokmål | nob-000 | proadverb |
| français | fra-000 | pro-adverbe |
| suomi | fin-000 | proadverbi |
| English | eng-000 | proadvisor |
| Latina Nova | lat-003 | proaemium |
| luenga aragonesa | arg-000 | pro a fes |
| ślonsko godka | sli-000 | Proag |
| Fräiske Sproake | stq-000 | Proag |
| Sambahsa-mundialect | art-288 | proag |
| Nederlands | nld-000 | proagandamateriaal |
| English | eng-000 | proagglutinoid |
| latine | lat-000 | proagorus |
| Frysk | fry-000 | proai |
| sardu | srd-000 | proai |
| čeština | ces-000 | Proailurus |
| English | eng-000 | Proailurus |
| magyar | hun-000 | Proailurus |
| português | por-000 | Proailurus |
| polski | pol-000 | Proailurus lemanensis |
| Ellinika | ell-003 | proairetikós |
| Sambahsa-mundialect | art-288 | proaiwo |
| polski | pol-000 | Proakceleryna |
| Fräiske Sproake | stq-000 | Pröäkel |
| Fräiske Sproake | stq-000 | pröäkelje |
| suomi | fin-000 | proakseleriini |
| Uyghurche | uig-001 | proaksélérin |
| Afrikaans | afr-000 | proaktief |
| bahasa Indonesia | ind-000 | proaktif |
| Türkçe | tur-000 | proaktif |
| suomi | fin-000 | proaktiivinen |
| eesti | ekk-000 | proaktiivne |
| Sesotho | sot-000 | proaktiniamo |
| Esperanto | epo-000 | proaktinio |
| Ido | ido-000 | proaktinio |
| Uyghurche | uig-001 | proaktinomitsés zemburughi |
| Kurmancî | kmr-000 | proaktinyûm |
| dansk | dan-000 | Proaktiv |
| toskërishte | als-000 | proaktiv |
| dansk | dan-000 | proaktiv |
| Deutsch | deu-000 | proaktiv |
| svenska | swe-000 | proaktiv |
| magyar | hun-000 | proaktív |
| Srpskohrvatski | hbs-001 | proaktivan |
| srpski | srp-001 | proaktivan |
| Deutsch | deu-000 | proaktive Erkennung |
| Deutsch | deu-000 | proaktives Zwischenspeichern |
| Deutsch | deu-000 | Proaktivität |
| čeština | ces-000 | proaktivně |
| čeština | ces-000 | proaktivní |
| Uyghurche | uig-001 | proaktiw |
| polski | pol-000 | proaktyn |
| polski | pol-000 | proaktywność |
| polski | pol-000 | proaktywny |
| español | spa-000 | proal |
| English | eng-000 | proala |
| English | eng-000 | proala crustacea |
| latine | lat-000 | proalaria spathaceum |
| English | eng-000 | proalbumin |
| latine | lat-000 | proales parasita |
| English | eng-000 | proalgebraic set |
| čeština | ces-000 | proalidka cizopasná |
| Fräiske Sproake | stq-000 | proalje |
| français | fra-000 | pro-allemand |
| TechTarget file types | art-336 | PRO-Alphacet-Program-XML-files |
| français | fra-000 | pro-alvéolie |
| English | eng-000 | pro-am |
| português | por-000 | proa magnética |
| français | fra-000 | pro-américain |
| français | fra-000 | proaméricain |
| English | eng-000 | pro-American |
| English | eng-000 | pro-american |
| CycL | art-285 | ProAmericanFootball-CW |
| Universal Networking Language | art-253 | pro-american(icl>adj,ant>anti-american,com>america) |
| English | eng-000 | pro-Americanism |
| galego | glg-000 | proamericano |
| español | spa-000 | proamericano |
| hrvatski | hrv-000 | proamerički |
| Deutsch | deu-000 | proamerikanisch |
| Deutsch | deu-000 | Proamerikanismus |
| slovenščina | slv-000 | proameriški |
| slovenščina | slv-000 | proameriško |
| polski | pol-000 | proamerykański |
| Universal Networking Language | art-253 | pro-am(icl>game) |
| Universal Networking Language | art-253 | pro-am(icl>state) |
| English | eng-000 | proamnion |
| Ido | ido-000 | pro amo a Deo |
| Esperanto | epo-000 | pro amo Dion |
| Romániço | art-013 | pro amo je deo |
| latine | lat-000 | proamphibos |
| hrvatski | hrv-000 | proanalizirati |
| čeština | ces-000 | proanalyzovat |
| English | eng-000 | pro and con |
| English | eng-000 | pro-and-con |
| English | eng-000 | pro and cons |
| English | eng-000 | pro and contra |
| English | eng-000 | proandry |
| English | eng-000 | proangiosperms |
| English | eng-000 | proangiotensin |
| limba armãneascã | rup-000 | proanje |