| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | pipistrelo | pipistreloj |
| Accusative | pipistrelon | pipistrelojn |
| Dutch | dwergvleermuis |
|---|---|
| English | pipistrelle bat; pipistrelle |
| French | pipistrelle |
| Hungarian | törpedenevér |
| Polish | karlik |
| Russian | нетопырь |
| Spanish | pipistrelo |
| Swedish | pipistrell |