| Part of speech | common noun |
|---|---|
| Pronunciation | /ˈrɪə̯nbʊəχ/ |
| Hyphenation | re·en·boog |
| Plural | reënboë |
| Czech | duha |
|---|---|
| Danish | regnbue |
| Dutch | regenboog; hemelboog |
| English | rainbow |
| English (Old English) | regnboga |
| Esperanto | ĉielarko; pluvarko |
| Finnish | sateenkaari |
| French | arc‐en‐ciel |
| German | Regenbogen |
| Hawaiian | ānuenue |
| Hungarian | szivárvány |
| Icelandic | regnbogi |
| Italian | arcobaleno |
| Jamaican Patois | rienbuo |
| Portuguese | arco‐íris |
| Saterland Frisian | Rienebooge; Woatergalle |
| Spanish | arco iris |
| Sranan | alenbo |
| Swedish | regnbåge |
| Tagalog | bahagharì; balangáw |
| Thai | รุ้งกินน้ำ; รุ้ง |
| Turkish | alaimisema |
| Welsh | enfys |
| West Frisian | reinbôge |