| Oracle Corporation | Oracle Corporation |
| Oradea | Oradea |
| Oradour-sur-Glane | Oradour-sur-Glane |
| oraffinerad | unrefined |
| Orahovica | Orahovica |
| orakad | unshaven |
| orakel | oracle |
| Orakelben | Oracle bone |
| Orakelbenen | Oracle bone script |
| orakelmässig | oracular |
| oral | oral |
| oralsex | oral sex |
| Oran | Oran |
| orange | orange |
| Orange County | Orange County |
| Orange County Choppers | Orange County Choppers |
| Orange Ekstraklasa | Orange Ekstraklasa |
| Orangea revolutionen | Orange Revolution |
| Orangebrun giftspindling | Lethal webcaps |
| Orangepriset | Orange Prize for Fiction |
| Orangerandig tryckarfisk | Orange-lined triggerfish |
| orangeri | conservatory |
| orangeröd | tangerine |
| orangutang | orangutan |
| Oranien | House of Orange-Nassau |
| Oranienburg | Oranienburg |
| Oranienburger Strasse | Oranienburger Straße |
| Oranienorden | Orange Institution |
| Oranjefloden | Orange |
| Oranjefristaten | Orange Free State |
| Oraon | Oraon |
| oration | oration |
| Oratorianer | Oratory of Saint Philip Neri |
| oratorisk | oratorical |
| oratorium | oratorio |
| Oravais | Oravais |
| Orbe | Orbe |
| Orbetello | Orbetello |
| Orbiter | Orbit |
| Orcaella heinsohni | Australian Snubfin Dolphin |
| Orchha | Orchha |
| Orchidales | Orchidales |
| Orchon | Orkhon Province |
| Orchonskrift | Orkhon script |
| Orcus | Orcus |
| ord | word |
| ord för ord | verbal |
| ord-beräkning | wordcount |
| ordagrann | verbal |
| ordagrannt | verbatim |
| ordagrant | verbatim |
| ordalag | terms |
| ordalydelse | wording |
| ordbajseri | verbal diarrhea |
| ordbas | word-database |
| ordbehandlare | word processor |
| Ordbehandlare -n | Word processor |
| ordbehandlings | wordprocess |
| Ordbild | Bouma |
| ordblind | dyslexic |
| ordblindhet | alexia |
| ordbok | thesaurus |
| Ordbok -en -böcker | Dictionary |
| ordboksförfattare | lexicographer |
| ordböcker | dictionaries |
| Orde Wingate | Orde Wingate |
| orden | order |
| ordentlig | careful |
| ordentlighet | order |
| ordentligt | neatly |
| ordentligt fastgjord | secured |
| ordentligt stängd | shut tight |
| ordentligt säkrad | secured |
| order | order |
| Order of Canada | Order of Canada |
| Order of Merit | Order of Merit |
| Order of the Companions of Honour | Order of the Companions of Honour |
| Orderic Vitalis | Orderic Vitalis |
| ordflöde | verbiage |
| ordföljd | word order |
| ordförande | president |
| ordförandeskap | chairmanship |
| ordförklaring | glossary |
| ordförråd | vocabulary |
| ordinarie | ordinary |
| ordination | ordination |
| ordinera | ordain |
| ordinär | banal |
| Ordinärt | Habitually² |
| ordkarg | taciturn |
| ordkarghet | taciturnity |
| ordklass | part of speech |
| ordknapp | taciturn |
| ordlek | quibble |
| ordlista | vocabulary |
| ordlistor | glossaries |
| ordlöst | wordless |
| ordmoln | tag cloud |
| ordna | manage |
| ordna i tabellform | tabulate |
| ordna om | reorder |
| ordna parvis | geminate |
| ordna på förhand | prearrange |
| ordna så att | make arrangements for |
| ordna upp | settle |
| ordnad | regular |
| ordnande | disposal |
