| A | B |
| mal | bad |
| malpractice | negligent practice, bad conduct |
| malapropism | misuse of a word, usually because of confusion with another word which sounds similar |
| meter/metr | measure |
| barometer | instrument used to measure atmospheric pressure |
| hypermetric | something that exceeds the common measure |
| mit/mis/miss | to send |
| emissary | a representative sent on a mission or an errand |
| emit | to discharge |
| mono | one |
| monochromatic | consisting of one color |
| monocle | eyeglass for one eye |
| morph | form, shape |
| amorphous | lacking shape |
| metamorphosis | a change in form from one stage to the next |
| pan | all |
| panacea | a cure for all ills |
| pandemic | present over a large area, such as a disease |
| path | feeling, suffering |
| empathize | to feel or identify with someone |
| sympathy | to feel support for someone |