| Arithmetik | arithmetic |
| Arithmetiker | arithmetician |
| arithmetisch | arithmetical |
| Athletik | athletics |
| Prothetik | prosthetics |
| Ästhetik | aesthetic aesthetics |
| Arthritis | arthritis |
| Triathletin | triathlete |
| Ästhetin | aesthete |
| Athletin | athlete |
| Mathetik | mathetics |
| Automatik | automatism automatic automatic transmission |
| Axiomatik | axiom system |
| Arianerin | Arian |
| Arierin | Aryan |
| Arithmomanie | arithmomania |
| karitativ | charitable caritative |
| Eritreerin | Eritrean |
| Kritzlerin | scribbler |
| krittelig | captious |