| Kollegium | collegium |
| Kolluvium | colluvium |
| kollegial | collegial |
| Kollegin | colleague |
| Kollodium | collodion |
| Kollyrium | collyrium |
| Kolleg | college |
| Kollege | colleague workmate co-worker |
| Kollektivum | collective noun |
| Kolloquium | colloquium examination symposium test |
| Pollinium | pollinium |
| Kollektor | collector |
| Kolloid | colloid |
| Kolosseum | Colosseum |
| Wahlkollegium | electoral college |
| kollern | gobble |
| Kolabaum | kola kola nut tree |
| Kollagen | collagen |
| Kollation | collating collation |
| Kollekte | offertory |