| Marineoffizier | naval officer |
| Ineffizienz | inefficiency |
| ineffizient | inefficient |
| inoffiziell | informal |
| Offizier | officer commissioned officer mate piece |
| Stabsoffizier | field officer |
| Unteroffizier | junior officer non-commissioned officer noncommissioned officer |
| Marineinfanterie | marine corps |
| Mariolatrie | Mariolatry |
| Marseiller | Marseillais |
| Marienkäfer | ladybird ladybug |
| Marienwerder | Kwidzyn |
| Mariologie | Mariology |
| Marmeladinger | kraut |
| Märchenfigur | fairytale figure |
| marinieren | marinate marinade |
| Myringotomie | myringotomy |
| Perineotomie | episiotomy perineotomy |
| Ringfinger | ring finger |
| kleiner Finger | little finger pinkie |