| Lokomotive | locomotive engine |
| Lokomobile | traction engine |
| lokutiv | locutive |
| Lokativ | locative |
| Tokologie | tocology |
| Zökotomie | cecotomy typhlotomy |
| Ökologie | ecology |
| Ökonomie | economy |
| Komotini | Komotini |
| Komödie | comedy |
| Leitmotiv | leitmotif leitmotiv |
| Dampflokomotive | steam locomotive steam engine |
| Lokomotivführer | engine driver locomotive engineer train driver |
| Lokution | locution |
| Phokomelie | phocomelia |
| Ökologin | ecologist |
| Fotokopie | photocopy |
| Kokotte | casserole |
| Zökostomie | caecostomy cecostomy |
| Ökologe | ecologist |