| Monsunzeit | monsoon |
| Monsunregen | monsoon |
| Monsunwind | monsoon |
| Monument | monument |
| Monsun | monsoon |
| Konsument | consumer |
| Unzeit | not at right time |
| Maienzeit | Maytide |
| Eisenzeit | Iron Age |
| Mußezeit | idle |
| Neuzeit | modern age modern era |
| Mannheit | virility |
| Menschheit | mankind humanity humankind |
| Monophysit | Monophysite |
| Monözie | monoecy |
| mondsüchtig | moonstruck |
| Mondpreis | exorbitant price |
| Mondschein | moonlight moonshine |
| Mondstein | moonstone |
| Mongolei | Mongolia |