| Okonomiyaki | okonomiyaki |
| Ökonomismus | economism |
| Ökonomie | economy |
| Ökonomin | economist |
| ökonomisch | economic economical |
| Ökonom | economist |
| Ökonometrie | econometrics |
| konkomitant | concomitant |
| pronominal | pronominal |
| Koboldmaki | tarsier |
| Ökofeminist | ecofeminist |
| Ökologin | ecologist |
| Ökologismus | environmentalism |
| Ökonometriker | econometrician |
| ökonomisieren | economize |
| Zökotomie | cecotomy typhlotomy |
| nosokomial | nosocomial |
| Ökologie | ecology |
| Ökonym | econym |
| ökologisch | ecological |