Language codes (3 letters) Abbreviations and Acronyms
- NORNorwegian Language (ISO 639-2 Code)
- NPANorth Pacific Ocean
- NSENsenga
- NSOSotho, Northern
- NUBNubian Languages
- NYANyanja
- NYJNyanja
- NYMNyamwezi
- NYNNyankole
- NYONyoro
- NZINzima
- OBEObject Back End
- OCILangue d'Oc (post 1500)
- OFLOld French Language
- OHGOld High German
- OJIAnishinaabe Language (Ojibwa) (ISO 639-2 Code)
- ORIOriya Language (ISO 639-2 Code)
- ORMOromo Language (ISO 639-2 Code)
- OSAOsage
- OSSOssetic Language (ISO 639-2 Code)
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