| Part of speech | common noun |
|---|---|
| Hyphenation | arb·ar·o |
| Singular | Plural | |
|---|---|---|
| Nominative | arbaro | arbaroj |
| Accusative | arbaron | arbarojn |
| Afrikaans | bos; woud |
|---|---|
| Albanian | pyll |
| Catalan | bosc |
| Chinook Jargon | stik |
| Czech | les; hvozd |
| Danish | skov |
| Dutch | bos; foreest; woud |
| English | forest; timber; wood |
| English (Old English) | holt; weald |
| Faeroese | skógur |
| French | bois; forêt |
| German | Forst; Wald |
| Greek | άλσος; δάσος; δρυμός |
| Hawaiian | ulu lāʻau; nahele |
| Icelandic | skógur |
| Italian | bosco |
| Latin | lustrum; silva |
| Low German | bos |
| Luxemburgish | Bësch |
| Malay | hutan; rimba |
| Norwegian | skog; skau |
| Papiamento | mondi |
| Polish | las |
| Portuguese | floresta; mata |
| Romanian | pădure |
| Russian | лес |
| Saterland Frisian | Busk; Woold |
| Scottish Gaelic | coille |
| Spanish | bosque |
| Sranan | busi |
| Swahili | msitu |
| Swedish | skog |
| Thai | ป่า |
| Welsh | coedwig; fforest |
| West Frisian | bosk; wâld |
| Yiddish | װאַלד |