| Part of speech | common noun |
|---|---|
| Gender | feminine |
| Singular | Plural | |
|---|---|---|
| Nominative | Buche | Buchen |
| Genitive | Buche | Buchen |
| Dative | Buche | Buchen |
| Accusative | Buche | Buchen |
| Albanian | ah; ahu |
|---|---|
| Catalan | faig |
| Czech | buk |
| Danish | bøg |
| Dutch | beuk; beukeboom |
| English | beech |
| English (Old English) | bece; boece |
| Esperanto | fago |
| Faeroese | bók; bókartræ |
| Finnish | pyökki |
| French | hêtre |
| Greek | οξυά; οξιά; φηγός |
| Hungarian | bükk; bükkfa |
| Icelandic | beyki; beykitré |
| Italian | faggio |
| Latin | fagus |
| Luxemburgish | Bich; Buch |
| Norwegian | bøk |
| Polish | buk |
| Portuguese | fago; faia |
| Romanian | fag |
| Russian | бук |
| Saterland Frisian | Bouke; boukene Boom |
| Scottish Gaelic | faidhbhile |
| Spanish | haya |
| Swedish | bok |
| Tagalog | haya |
| Turkish | kayın |
| Welsh | ffawydden |
| West Frisian | bûk; bûkebeam; bûkelbeam |