| Klassenpfad | classpath |
| klassenlos | classless |
| Klassenfahrt | school trip |
| Klassenraum | classroom |
| Datenpfad | data path |
| Klassenclown | class clown |
| Klausenburg | Cluj-Napoca |
| klagend | plaintive |
| klapsen | fan |
| Klasse | class |
| klasse | great awesome |
| Klassem | classeme |
| Klassenkamerad | classmate |
| Klassenkampf | class conflict |
| blassen | discolor discolour fade wane |
| lassen | let quit stop allow have make cause |
| Kassenbuch | ledger |
| Wasserbad | bain-marie |
| nässend | running |
| Kassandra | Cassandra |