| Methodismus | Methodism |
| Meteorismus | meteorism tympanites |
| Methodistin | Methodist |
| Metabolismus | metabolism |
| Methodist | Methodist |
| methodisch | methodical |
| Thomismus | Thomism |
| Mechanismus | mechanism |
| Mithraismus | Mithraic mysteries Mithraism |
| methodistisch | Methodist |
| Methodik | methodology method |
| Erethismus | erethism |
| Jihadismus | jihadism |
| Etazismus | etacism |
| Maoismus | Maoism |
| Melanismus | melanism |
| Personismus | situationism |
| Teutonismus | Teutonicism |
| Titoismus | Titoism |
| Utopismus | utopianism |