| Part of speech | common noun |
|---|---|
| Hyphenation | nub·o |
| Singular | Plural | |
|---|---|---|
| Nominative | nubo | nuboj |
| Accusative | nubon | nubojn |
| Afrikaans | wolk |
|---|---|
| Catalan | núvol |
| Czech | mračno; mrak; oblak |
| Danish | sky |
| Dutch | wolk |
| English | cloud |
| English (Old English) | wolcen |
| Faeroese | skýggj |
| Finnish | pilvi |
| French | nuage |
| German | Wolke |
| Greek | σύννεφο |
| Hawaiian | ao |
| Hungarian | felhő |
| Icelandic | ský |
| Italian | nube; nuvola; nuvolo |
| Latin | aer; nebula; nubes |
| Low German | wulk |
| Luxemburgish | Wollek |
| Malay | awan |
| Norwegian | sky |
| Papiamento | nubia |
| Polish | chmura |
| Portuguese | nuvem |
| Romanian | nor |
| Russian | облако; туча |
| Saterland Frisian | Wulke |
| Scots | clood |
| Scottish Gaelic | neul; sgòth |
| Spanish | nube |
| Sranan | wolku |
| Swahili | wingu |
| Swedish | moln; sky |
| Tagalog | ulap |
| Thai | เมฆ |
| Turkish | bulut |
| West Frisian | wolk; wolken |
| Yiddish | װאָלקן |