| Altnordisch | Old Norse |
| altnordisch | Norse |
| altmodisch | old-fashioned |
| Altgeorgisch | Old Georgian |
| Altnorwegisch | Old Norwegian |
| Altirisch | Old Irish |
| Altpersisch | Old Persian |
| Alttürkisch | Old Turkish |
| alttürkisch | Old Turkic |
| altrömisch | ancient Roman |
| Urnordisch | Proto-Norse |
| nordisch | nordic Nordic |
| anodisch | anodal anodic |
| Altkoreanisch | Old Korean |
| Altrussisch | Old East Slavic |
| altrussisch | Rusian |
| Altspanisch | Old Spanish |
| Falterfisch | butterflyfish |
| altaisch | Altaic |
| Altaisch | Altay |