| Part of speech | common noun |
|---|---|
| Hyphenation | arb·o |
| Singular | Plural | |
|---|---|---|
| Nominative | arbo | arboj |
| Accusative | arbon | arbojn |
| Afrikaans | boom |
|---|---|
| Albanian | dru |
| Catalan | arbre |
| Chinook Jargon | stik |
| Czech | strom |
| Danish | træ |
| Dutch | boom |
| English | tree |
| English (Old English) | beam; treow |
| Faeroese | træ |
| Finnish | puu |
| French | arbre |
| German | Baum |
| Hawaiian | kumulāʻau; lāʻau |
| Hungarian | fa |
| Icelandic | tré |
| Italian | albero |
| Jamaican Patois | chrii |
| Kabylian | aseklu |
| Latin | arbor |
| Low German | boum |
| Luxemburgish | Bam |
| Malay | pohon; pokok |
| Norwegian | tre |
| Papiamento | palo; palu |
| Polish | drzewo |
| Portuguese | árvore |
| Romanian | pom |
| Russian | дерево |
| Saterland Frisian | Boom |
| Scots | tree |
| Scottish Gaelic | craobh |
| Spanish | árbol |
| Sranan | bon |
| Swahili | mti |
| Swedish | träd |
| Thai | ต้นไม้ |
| Turkish | ağaç |
| Welsh | coeden |
| West Frisian | beam |
| Yiddish | בױם |