| Kopfkissen | pillow |
| Kopfkissenbezug | pillowcase |
| Kopfnicken | nod |
| Kopffüßer | cephalopod |
| Kniekissen | hassock |
| Kopfnuss | brain-teaser |
| Kopfnuß | brainteaser |
| Kopieren | replication |
| kopieren | copy |
| Kopistin | copyist |
| Kopfkino | inner cinema |
| Kopfstein | cobblestone |
| Köpfchen | brain head |
| kopulieren | copulate make a splice graft join with a copula |
| köpfen | behead decapitate top head |
| Betkissen | hassock |
| Duftkissen | sachet |
| Furzkissen | whoopee cushion |
| Ruhekissen | pillow |
| Sitzkissen | boss |