| Mechanik | mechanics |
| Mechaniker | mechanic |
| Mechanikerin | mechanic |
| Technik | technique technology equipment |
| Mechatronik | mechatronics |
| mechanisch | mechanical |
| Michaelis | Michaelmas |
| Michaeli | Michaelmas |
| Methan | methane |
| Methanol | methanol |
| Melanie | Malaney Malanie Melaina Melaine Melainey Melanee |
| Mezzanin | mezzanine entresol intermediate floor |
| Mechthild | Matilda |
| Feinmechanik | fine mechanics precision engineering precision mechanics |
| Mechanismus | mechanism |
| Rechnen | computation |
| rechnen | calculate reckon work out compute expect anticipate estimate |
| Zecherin | boozer |
| Zechine | sequin |
| techno- | techno- |