| Konautor | coauthor |
| Koautor | coauthor |
| Kontor | office |
| Konditor | confectioner |
| Donator | giver |
| Konfutse | Confucius |
| Kondor | condor |
| Konter | counter-attack |
| Konto | account |
| Kontur | contour outline |
| konativ | conative |
| Monaster | monaster mother star |
| Ozonator | ozonator |
| Knauser | miser |
| Romanautor | novelist |
| Mitautor | coauthor |
| Autor | author literator |
| Boxauto | bumper car dodgem |
| Koautorin | coauthor |
| Koadjutor | coadjutor |