| Mastkorb | crow's nest |
| Maulkorb | muzzle |
| Maskara | mascara |
| Mastdarm | rectum |
| Maestro | maestro |
| Master | master |
| Masttopp | masthead |
| Pastor | pastor |
| Brustkorb | rib cage thorax chest rib-cage ribcage thoracic cavity |
| Mistkerl | bastard bugger scumbag son of a bitch |
| Brotkorb | bread basket breadbasket |
| Drahtkorb | wire basket |
| Aalkorb | eel pot eel trap |
| Mascara | mascara |
| Maskotte | mascot |
| Mastix | mastic |
| Mastkraut | pearlwort |
| Mastrind | feeder cattle |
| Maßkolben | volumetric flask |
| Maßkrug | stein |