| Arkanum | arcana arcanum |
| Arkade | archway arcade |
| Arkus | arc |
| Arkansas | Arkansas |
| Orkan | hurricane hurricane-force winds |
| Akan | Akan |
| Alkan | alkane |
| Alkanna | Alkanna |
| Alkanol | alkanol |
| Arekanuss | areca nut betel nut |
| Kanu | canoe |
| Laudanum | laudanum |
| Alanus | Alan |
| Planum | formation level line plane planum |
| Uranus | Uranus |
| Arkadier | Arcadian |
| Darknet | darknet |
| Markasit | marcasite |
| Parken | parking |
| parken | park |