| Meskalin | mescaline |
| Muskarin | muscarine |
| Vestalin | vestal virgin |
| maskulin | male masculine |
| Messaging | instant messaging |
| Mestizin | mestizo |
| mesial | mesial |
| Musikalie | sheet music |
| Bengalin | Bengali |
| Decalin | decalin |
| Israelin | Israelite |
| Stalin | Stalin |
| Westfälin | Westphalian |
| Eselin | ass |
| Enkelin | granddaughter |
| Merlin | merlin |
| Musselin | muslin |
| Emeserin | Emesene |
| Messkolben | volumetric flask |
| Mesokarp | mesocarp |