| ökonomisch | economic economical |
| ökologisch | ecological |
| Ökonomismus | economism |
| Ökonomie | economy |
| Ökonomin | economist |
| ökonometrisch | econometric econometrical |
| ikonisch | iconic |
| konisch | conical |
| agronomisch | agronomic |
| ergonomisch | ergonomic |
| taxonomisch | taxonomic |
| monözisch | monoecious monecious synoecious |
| polynomisch | polynomial |
| anomisch | anomic |
| komisch | comic funny weird strange |
| homonymisch | homonymous |
| phonemisch | phonemic |
| tonemisch | tonemic |
| kosmisch | cosmic |
| orontisch | Orontian |