| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | klapo | klapoj |
| Accusative | klapon | klapojn |
| Catalan | batent; clau; valva |
|---|---|
| Dutch | klep; schuif |
| English | valve; flap; stop; trap |
| Faeroese | klaffur; skel |
| French | abattant |
| German | Klappe; Kammer; Fach |
| Saterland Frisian | Klappe |
| Spanish | batiente; hoja; pistón; valva; válvula |