| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | akrocefala | akrocefalaj |
| Accusative | akrocefalan | akrocefalajn |
| Dutch | acrocefaal |
|---|---|
| English | acrocephalic |
| French | acrocéphale |
| German | hochköpfig; spitzschädelig |
| Portuguese | acrocefálico; acrocéfalo |