| Part of speech | unknown part of speech |
|---|
| Nominative | prologo |
|---|---|
| Accusative | prologon |
| Czech | prolog; předehra |
|---|---|
| Dutch | proloog; voorrede |
| English | prologue |
| French | prologue |
| German | Prolog |
| Latin | antelogium |
| Papiamento | prólogo |
| Portuguese | prólogo |
| Saterland Frisian | Prolog |
| Spanish | prólogo |