| kriminell | criminal |
| Kriminelle | criminal |
| Krimineller | criminal |
| originell | original inventive fancy |
| nominell | nominal titular |
| Krill | krill |
| Kriminalist | criminologist |
| Kriminologe | criminologist |
| Kringel | scroll |
| Kritiker- | critical |
| Krimi | thriller crime novel whodunit |
| Kriminalfall | criminal case |
| Krimiserie | crime series |
| Kristall | crystal |
| Kritiker | critic |
| kribbeln | tingle |
| kriminogen | criminogenic |
| kriseln | come to a head crisis loom |
| kritteln | find fault quibble |
| kritzeln | doodle |