| Klassentreffen | class reunion |
| Krisentreffen | crisis meeting |
| Klassenlehrer | class teacher homeroom teacher |
| Klassensprecher | class spokesman |
| Blasen werfen | blister |
| Wassertropfen | drop of water waterdrop |
| zusammentreffen | concur |
| antreffen | come across catch find |
| anbetreffen | concern |
| Klassenclown | class clown |
| Klassenkasper | class clown |
| Klassenpfad | classpath |
| Klammeraffe | spider monkey stapler at sign commercial at at symbol at crimper destapler |
| Klassenarbeit | class test exam |
| Klassenkampf | class conflict |
| Klassenraum | classroom |
| Klassenzimmer | classroom schoolroom |
| klarstellen | clarify to make something clear |
| klassieren | classify |
| Flaschendrehen | spin the bottle |