| English | eng-000 | opalescent eartheater |
| English | eng-000 | opalescent gem |
| English | eng-000 | opalescent glass |
| English | eng-000 | opalescent glaze |
| Universal Networking Language | art-253 | opalescent(icl>adj,equ>iridescent) |
| Nederlands | nld-000 | Opalescentie |
| English | eng-000 | opalescent inshore squid |
| English | eng-000 | opalescently |
| English | eng-000 | opalescent sea slug |
| italiano | ita-000 | opalescenza |
| italiano | ita-000 | opalescènza |
| dansk | dan-000 | opalescere |
| nynorsk | nno-000 | opalescere |
| bokmål | nob-000 | opalescere |
| dansk | dan-000 | opalescerende |
| davvisámegiella | sme-000 | opalesceret |
| julevsámegiella | smj-000 | opalescerit |
| English | eng-000 | opalescin |
| Esperanto | epo-000 | opaleska |
| Esperanto | epo-000 | opaleskeco |
| Esperanto | epo-000 | opaleski |
| Esperanto | epo-000 | opalesko |
| English | eng-000 | opalesque |
| Uyghurche | uig-001 | opaléssénsiye |
| euskara | eus-000 | opaleszentzia |
| Deutsch | deu-000 | Opaleszenz |
| Deutsch | deu-000 | opaleszierend |
| English | eng-000 | opaleye |
| español | spa-000 | opaleye |
| èdè Yorùbá | yor-000 | Ọ̀pálẹ́yẹ |
| magyar | hun-000 | opálfényû |
| magyar | hun-000 | opálfényű |
| English | eng-000 | opal film |
| English | eng-000 | opal fish |
| English | eng-000 | opalfishes |
| English | eng-000 | Opal Fruits |
| CycL | art-285 | Opal-Gem |
| Türkçe | tur-000 | opal gibi |
| Deutsch | deu-000 | opalglas |
| English | eng-000 | opal glass |
| English | eng-000 | opal glaze |
| English | eng-000 | opal green |
| Deutsch | deu-000 | Opalgrün |
| magyar | hun-000 | Opálhegy |
| Uyghurche | uig-001 | opal héqiq |
| català | cat-000 | opalí |
| polski | pol-000 | opalić |
| Universal Networking Language | art-253 | opal(icl>mineral>thing) |
| polski | pol-000 | opalić się |
| Kamuku | cdr-000 | *opá:li:e |
| èdè Yorùbá | yor-000 | ọ̀pálifọn |
| čeština | ces-000 | opálím |
| čeština | ces-000 | opálím se |
| français | fra-000 | opalin |
| Lingua Franca Nova | lfn-000 | opalin |
| langue picarde | pcd-000 | opalîn |
| English | eng-000 | Opalina |
| català | cat-000 | opalina |
| italiano | ita-000 | opalina |
| latine | lat-000 | opalina |
| español | spa-000 | opalina |
| Deutsch | deu-000 | Opalina-Eule |
| Deutsch | deu-000 | Opalinaeule |
| latine | lat-000 | opalina obtrigona |
| Uyghurche | uig-001 | opalina qurti uruqdishi |
| latine | lat-000 | opalina ranarum |
| čeština | ces-000 | Opalinata |
| Deutsch | deu-000 | Opalinata |
| English | eng-000 | Opalinata |
| magyar | hun-000 | Opalinata |
| ລາວ | lao-000 | Opalinata |
| slovenčina | slk-000 | Opalinata |
| ภาษาไทย | tha-000 | Opalinata |
| English | eng-000 | opalinata |
| français | fra-000 | opalinata |
| italiano | ita-000 | opalinata |
| latine | lat-000 | opalinata |
| polski | pol-000 | opalinata |
| português | por-000 | opalinata |
| español | spa-000 | opalinata |
| English | eng-000 | Opaline |
| italiano | ita-000 | Opaline |
| español | spa-000 | Opaline |
| Universal Networking Language | art-253 | opaline |
| English | eng-000 | opaline |
| français | fra-000 | opaline |
| Latina Nova | lat-003 | Opalinea |
| español | spa-000 | Opalinea |
| English | eng-000 | opaline glass |
| English | eng-000 | opaline glaze |
| English | eng-000 | opaline gourami |
| English | eng-000 | opaline green |
| Universal Networking Language | art-253 | opaline(icl>adj,equ>iridescent) |
| English | eng-000 | opalines |
| English | eng-000 | Opalinida |
| latine | lat-000 | opalinida |
| Türkçe | tur-000 | Opalinidler |
| italiano | ita-000 | opalinizzazione |
| čeština | ces-000 | opalinka |
| čeština | ces-000 | opalinka klínovitá |
| čeština | ces-000 | opalinka oblá |
| čeština | ces-000 | opalinka žabí |
| čeština | ces-000 | opalinky |
| Esperanto | epo-000 | opalino |
| italiano | ita-000 | opalino |
| español | spa-000 | opalino |
| polski | pol-000 | Opalińscy |
| Deutsch | deu-000 | Opaliński |
| English | eng-000 | Opaliński |
| slovenčina | slk-000 | opalíny |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpalipali |
| français | fra-000 | opalisation |
| English | eng-000 | opalise |
| français | fra-000 | opalisé |
| français | fra-000 | opaliser |
| svenska | swe-000 | opalisera |
| dansk | dan-000 | opalisere |
| nynorsk | nno-000 | opalisere |
| bokmål | nob-000 | opalisere |
| davvisámegiella | sme-000 | opaliseret |
| julevsámegiella | smj-000 | opaliserit |
| Deutsch | deu-000 | opalisieren |
| Deutsch | deu-000 | opalisierend |
| English | eng-000 | opalisin |
| suomi | fin-000 | opalisoida |
| suomi | fin-000 | opalisointi |
| suomi | fin-000 | opalisoitua |
| čeština | ces-000 | opálit |
| slovenčina | slk-000 | opáliť |
| English | eng-000 | opalite |
| bosanski | bos-000 | opaliti |
| hrvatski | hrv-000 | opaliti |
| slovenščina | slv-000 | opaliti |
| srpski | srp-001 | opaliti |
| svenska | swe-000 | opålitlig |
| slovenčina | slk-000 | opáliť sa |
| čeština | ces-000 | opálit se |
| čeština | ces-000 | opálit se do hněda |
| slovenčina | slk-000 | opalizácia |
| polski | pol-000 | opalizacja |
| magyar | hun-000 | opalizáló |
| español | spa-000 | opalizar |
| English | eng-000 | opalization |
| English | eng-000 | opalize |
| English | eng-000 | opalized wood |
| Universal Networking Language | art-253 | opalize(icl>change>do,agt>thing,obj>thing) |
| Universal Networking Language | art-253 | opalize(icl>convert>be,obj>thing,aoj>thing) |
| English | eng-000 | opalizer |
| čeština | ces-000 | opalizovat |
| slovenčina | slk-000 | opalizovať |
| polski | pol-000 | opalizujący |
| čeština | ces-000 | opalizující |
| slovenčina | slk-000 | opalizujúca |
| slovenčina | slk-000 | opalizujúce |
| slovenčina | slk-000 | opalizujúci |
| italiano | ita-000 | opalizzante |
| italiano | ita-000 | opalizzare |
| English | eng-000 | opal jasper |
| hrvatski | hrv-000 | opaljen |
| hrvatski | hrv-000 | opaljena kružoliska |
| hrvatski | hrv-000 | opaljena vitezovka |
| hrvatski | hrv-000 | opaljen suncem |
| srpski | srp-001 | opaljen suncem |
| hrvatski | hrv-000 | opaljivati |
| čeština | ces-000 | opálka |
| English | eng-000 | Opal Koboi |
| italiano | ita-000 | Opal Koboi |
| svenska | swe-000 | Opal Koboi |
| Uyghurche | uig-001 | opal köki |
| Uyghurche | uig-001 | opal kül réngi |
| íslenska | isl-000 | ópall |
| English | eng-000 | opal lamp |
| Lëtzebuergesch | ltz-000 | op alle Fall |
| Nederlands | nld-000 | op alle manieren |
| Nederlands | nld-000 | op alle mogelijke manieren |
| Nederlands | nld-000 | op alle wijzen |
| Nederlands | nld-000 | op alle wijzen |
| English | eng-000 | opal-like |
| English | eng-000 | opal lime glass |
| English | eng-000 | Opallionectes |
| íslenska | isl-000 | ópallýsandi |
| English | eng-000 | opal mutant |
| English | eng-000 | opal mutation |
| English | eng-000 | Opălnău River |
| català | cat-000 | òpal negre |
| Glottolog Languoid Names | art-326 | Opalo |
| Ethnologue Language Names | art-330 | Opalo |
| Esperanto | epo-000 | opalo |
| euskara | eus-000 | opalo |
| Ido | ido-000 | opalo |
| interlingua | ina-000 | opalo |
| Lucumí | luq-000 | opalo |
| Tagalog | tgl-000 | opalo |
| galego | glg-000 | ópalo |
| português | por-000 | ópalo |
| español | spa-000 | ópalo |
| galego | glg-000 | ópalo arlequín |
| English | eng-000 | Opa-locka |
| Ido | ido-000 | Opa-locka |
| lengua lumbarda | lmo-000 | Opa-locka |
| Nederlands | nld-000 | Opa-locka |
| português | por-000 | Opa-locka |
| español | spa-000 | Opa-locka |
| Volapük | vol-000 | Opa-locka |
| English | eng-000 | Opa-locka Airport |
| lengua lumbarda | lmo-000 | Opa-locka Airport |
| English | eng-000 | Opa-locka North |
| Nederlands | nld-000 | Opa-locka North |
| português | por-000 | Opa-locka North |
| galego | glg-000 | ópalo de lume |
| English | eng-000 | opal oil |
| galego | glg-000 | ópalo negro |
| polski | pol-000 | opalony |
| English | eng-000 | opal orange |
| Iñupiatun | esk-000 | opalorpok |
| Inuktitut | iku-001 | opalortok |
| magyar | hun-000 | opálos |
| English | eng-000 | Opal Outline File |
| slovenčina | slk-000 | opálová |
| čeština | ces-000 | opalovací |
| slovenčina | slk-000 | opaľovací |
| čeština | ces-000 | opalovací krém |
| čeština | ces-000 | opalovací mléko |
| čeština | ces-000 | opalovací olej |
| čeština | ces-000 | opalovací stroj |
| čeština | ces-000 | opalovačka |
| čeština | ces-000 | opalovačky |
| čeština | ces-000 | opalování |
| slovenčina | slk-000 | opalovanie |
| slovenčina | slk-000 | opaľovanie |
| čeština | ces-000 | opalovat |
| slovenčina | slk-000 | opaľovať |
| slovenčina | slk-000 | opaľovať sa |
| čeština | ces-000 | opalovat se |
| slovenčina | slk-000 | opálové |
| čeština | ces-000 | opálové sklo |
| čeština | ces-000 | opálový |
| slovenčina | slk-000 | opálový |
| polski | pol-000 | opalowy |
| English | eng-000 | opal phlox |
| English | eng-000 | opal phytolith |
| Türkçe | tur-000 | opal renginde olan |
| Türkçe | tur-000 | opal renkli |
| English | eng-000 | Opal-rumped Tanager |
| English | eng-000 | opal-rumped tanager |
| English | eng-000 | opals |
| latviešu | lvs-000 | opāls |
| English | eng-000 | opal shade |
| English | eng-000 | opal sinter |
| svenska | swe-000 | opalskimmer |
| English | eng-000 | opal stop codon |
| English | eng-000 | opal suppressor |
| magyar | hun-000 | opálszínű |
| Uyghurche | uig-001 | opal tashlar |
| English | eng-000 | opal tube bulb |
| română | ron-000 | opalturi |
| lingua siciliana | scn-000 | opalu |
| čeština | ces-000 | opaluje se |
| čeština | ces-000 | opalující se člověk |
| čeština | ces-000 | opaluji se |
| Inuktitut | iku-001 | opalungitok |
| ʻōlelo Hawaiʻi | haw-000 | ʻōpalupalu |
| latine | lat-000 | opalus |
| magyar | hun-000 | opálüveg |
| English | eng-000 | opal varnish |
| English | eng-000 | Opal Whiteley |
| français | fra-000 | Opal Whiteley |
| čeština | ces-000 | opály |
| Türkçe | tur-000 | opal yeşili |
| Uyghurche | uig-001 | opal yézisi |
| English | eng-000 | Ópályi |
| magyar | hun-000 | Ópályi |
| Uyghurche | uig-001 | opal zumret |
| Maranao | mrw-000 | opama |
| Ethnologue Language Names | art-330 | Opameri |
| bosanski | bos-000 | opametiti |
| hrvatski | hrv-000 | opametiti |
| bosanski | bos-000 | opametiti se |
| Kâte | kmg-000 | opâ micne |
| polski | pol-000 | opamiętać się |
| polski | pol-000 | opamiętywać się |
| Deutsch | deu-000 | Opa mit Hut |
| Mauwake opora | mhl-000 | opamka |
| Kâte | kmg-000 | opâ momori |
| erzänj kelj | myv-001 | opamoms |
| English | eng-000 | op amp |
| English | eng-000 | op-amp |
| English | eng-000 | op/amp |
| English | eng-000 | opamp |
| Sɛkpɛle | lip-000 | opampa |
| Maranao | mrw-000 | opamping |
| tiếng Việt | vie-000 | Opan |
| San Mateo Del Mar Huave | huv-000 | opaN |
| Kott | zko-000 | opaN |
| Amuesha | ame-000 | opan |
| Nāhuatlahtōlli | nci-000 | opan |
| Malecite-Passamaquoddy | pqm-000 | opan |
| tiếng Việt | vie-000 | opan |
| Tâi-gí | nan-003 | o·-pan |
| 台灣話 | nan-000 | o·-pán |
| Gutiska razda | got-002 | £ôpan |
| Nooksack | nok-000 | ó-păn |
| tiếng Việt | vie-000 | ôpan |