| Monsignore | Monsignor |
| Mongole | Mongolian Mongol |
| Monitor | monitor |
| Insigne | insigne |
| Mondhorn | fire dog |
| Mondidol | fire dog |
| Mondviole | honesty |
| Mononom | monomial |
| Montagedorn | mandrel |
| monochrome | black-and-white |
| Monatsname | month's name name of the month |
| Mondfähre | lunar module |
| Monegasse | Monegasque Monacan |
| Mongolei | Mongolia |
| Monogamie | monogamy |
| Monotonie | monotony monotonicity |
| Monster | monster |
| Monsun | monsoon |
| Montage | assembly assemblage ensamblaje |
| Montagmorgen | Monday morning |