| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | aldo | aldoj |
| Accusative | aldon | aldojn |
| Dutch | alt; altviool |
|---|---|
| English | alto; countertenor; contralto; viola; tenor violin; alt |
| French | alto |
| German | Altstimme; Alt |
| Icelandic | altrödd |
| Portuguese | coltralto; violeta |
| Russian | альт |
| Saterland Frisian | Altstämme |
| Spanish | alto |
| Swedish | altröst; altstämma |
| West Frisian | alt |