| Metrologie | metrology |
| Petrologie | petrology |
| Meteorologie | meteorology |
| Tetralogie | tetralogy |
| Antrologie | arthrology |
| Astrologie | astrology |
| Patrologie | patrology |
| Morologie | morology |
| Neurologie | neurology |
| Ethologie | ethology behavioural research |
| Matäologie | mateology |
| Mesologie | mesology |
| Motologie | motology |
| Mythologie | mythology |
| Meteorologe | meteorologist |
| Meteorologin | meteorologist |
| Methodologie | methodology |
| Metropole | metropolis |
| Metropolis | metropolis |
| metrologisch | metrological |