| Part of speech | common noun |
|---|---|
| Hyphenation | te·atr·o |
| Singular | Plural | |
|---|---|---|
| Nominative | teatro | teatroj |
| Accusative | teatron | teatrojn |
| Afrikaans | teater; skouburg |
|---|---|
| Albanian | teatër |
| Catalan | teatre |
| Czech | divadlo |
| Danish | teater |
| Dutch | schouwburg; theater |
| English | theatre |
| Faeroese | leikhús |
| French | théâtre |
| German | Theater; Schauspielhaus |
| Greek | θέατρο |
| Hungarian | színház |
| Italian | teatro |
| Jamaican Patois | tieta |
| Latin | theatrum |
| Norwegian | teater |
| Papiamento | teater; teatro |
| Polish | teatr |
| Portuguese | teatro |
| Romanian | teatru |
| Russian | театр |
| Saterland Frisian | Theater; Tjoater |
| Spanish | teatro |
| Swedish | teater |
| Tagalog | teatro |
| Turkish | tiyatro |
| Ukrainian | театр |
| Welsh | theatr |
| West Frisian | skouboarch; teäter |