| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | klavo | klavoj |
| Accusative | klavon | klavojn |
| Catalan | tecla |
|---|---|
| Czech | klapka; klávesa; tlačítko |
| Dutch | toets |
| English | key |
| French | touche; touche de clavier |
| German | Klaviertaste; Taste |
| Saterland Frisian | Klaviertaste; Taste |
| Spanish | tecla |