| Nautik | nautical science |
| Mäeutik | maieutics |
| Kaustik | caustic |
| Batik | batik |
| Haptik | haptics |
| Mantik | divination manticism |
| Noetik | noetic |
| Taktik | military tactics |
| antik | ancient antique |
| Naue | barge |
| Nauru | Nauru |
| Nauruer | Nauruan |
| Nautilus | nautilus |
| nautisch | nautical nautically navigational |
| Gaute | Geat |
| auto- | self- auto- |
| Autist | autist autistic person |
| Auto | car motor car auto order resolution writ |
| Autor | author literator |
| Bauteil | component component part element |