| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | kavaĵo | kavaĵoj |
| Accusative | kavaĵon | kavaĵojn |
| Czech | dutina |
|---|---|
| Dutch | uitholling; hol; holte |
| English | cavity |
| English (Old English) | denn; hol |
| German | Höhlung; Aushöhlung; Vertiefung; Grube |
| Latin | antrum; caulae; cavea; cavum; cavus |
| Saterland Frisian | Hollegaid |
| Spanish | bache; hueco |
| West Frisian | dobbe |