| Kollodium | collodion |
| Kolluvium | colluvium |
| Kollegium | collegium |
| Kolloquium | colloquium examination symposium test |
| Kollyrium | collyrium |
| Kolloid | colloid |
| Pollinium | pollinium |
| Callovium | Callovian |
| Palladium | palladium |
| Polonium | polonium |
| Kolonist | colonist |
| Kolosseum | Colosseum |
| kollegial | collegial |
| kolloidal | colloidal |
| kolonial | colonial |
| Kolabaum | kola kola nut tree |
| Kollation | collating collation |
| Kollegin | colleague |
| Kollektivum | collective noun |
| Kollision | collision |