| koexistieren | coexist coëxist |
| existieren | exist |
| koitieren | copulate have sex have sexual intercourse |
| oxidieren | oxidise oxidize patinate oxygenate |
| existierend | defunct |
| assistieren | assist |
| desistieren | to desist |
| insistieren | insist |
| kompostieren | compost put compost on |
| molestieren | molest |
| postieren | position station |
| bonitieren | examine rate |
| kokettieren | flirt toy play |
| konnotieren | connote |
| kooptieren | co-opt coopt |
| kotieren | quote admit for quotation list measure |
| ionisieren | ionize |
| konfiszieren | confiscate |
| Koexistenz | coexistence |
| Klistier | enema |