| Part of speech | common noun |
|---|---|
| Pronunciation | /bɔɪ̯/ |
| Hyphenation | buoy |
| Shavian alphabet | 𐑚𐑶 |
| Plural | buoys |
| Dutch | boei |
|---|---|
| Esperanto | buo |
| Faeroese | boya; dupul |
| Finnish | poiju |
| French | balise |
| German | Boje |
| Papiamento | bui |
| Portuguese | bóia |
| Russian | буй |
| Spanish | boya |
| West Frisian | beaken; boei |