| Kolleg | college |
| Kollege | colleague workmate co-worker |
| Kollegin | colleague |
| kollegial | collegial |
| Kollegium | collegium |
| kollern | gobble |
| Kolben | club mace piston butt spadix flask |
| Kollar | collar |
| Kollo | packing unit |
| Kolter | doona |
| Kölner | Cologne inhabitant of Cologne native of Cologne |
| Rollen | roll |
| rollen | roll |
| Rollweg | taxiway |
| Tollen | romp |
| tollen | frolic romp |
| Völler | glutton |
| voller | full of |
| rollig | on heat |
| wollig | woolly |