| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | alternatoro | alternatoroj |
| Accusative | alternatoron | alternatorojn |
| Czech | alternátor |
|---|---|
| Dutch | alternator; wisselstroomdynamo; wisselstroomgenerator |
| English | alternator |
| French | alternateur |
| German | Generator |
| Portuguese | alternador |
| Spanish | alternador |