| Montevideo | Montevideo |
| Montenegro | Montenegro |
| Musikvideo | music video |
| Mondidol | fire dog |
| Mondviole | honesty |
| Mongoloider | Mongol |
| Monoid | monoid |
| Monosemie | monosemy |
| Monözie | monoecy |
| Monade | monad |
| Monatsbinde | menstrual pad sanitary napkin sanitary pad sanitary towel |
| Monatsende | end of month end of the month |
| Mondvogel | buff-tip |
| Moniereisen | rebar reinforcing bar |
| Monotonie | monotony monotonicity |
| Monoxid | monoxide |
| Monrovia | Monrovia |
| Montage | assembly assemblage ensamblaje |
| Montpellier | Montpellier |
| mongolid | mongoloid |