| Narrenkappe | fool's cap |
| Narrenmatt | fool's mate |
| Augenklappe | eye patch |
| Aortenklappe | aortic valve |
| Katzenklappe | cat flap kitty door |
| Badekappe | bathing-cap swimming cap |
| Aktenmappe | briefcase portfolio |
| Narrengold | fool's gold |
| Narrentum | foolishness |
| narren | fool |
| narrensicher | foolproof surefire |
| Barranke | ascending |
| Barrikade | barricade |
| Herrenrasse | master race |
| Mairenke | Danube bleak |
| Madenkäse | casu marzu |
| Nervenkunde | neurology |
| Hahnenkampf | cockfight |
| Marienkäfer | ladybird ladybug |
| Namenkunde | onomatology |