| Part of speech | unknown part of speech |
|---|
| Nominative | kastoreo |
|---|---|
| Accusative | kastoreon |
| Catalan | castori |
|---|---|
| Dutch | bevergeil; castoreum |
| English | castoreum; castor |
| French | castoréum |
| German | Castoreum; Bibergeil |
| Italian | castoreo; castorio |
| Norwegian | bevergjel; gjel |
| Portuguese | castóreo |
| Spanish | castóreo |
| Swedish | bävergäll |