- maths
- mathematics
- Mollah
- Mulla
- markweed
- mulberry fig
- Moschus moschiferus
- mumps
- manful
- mental rejection
- mountainous
- musca domestica
- malignant neoplastic disease
- morale
- malus pumila
- mirror image
- mitigation
- meteoroid
- meteor
- massive
- merle
- meaningful
- militant
- manometer
- medieval
- multiple
- musculature
- muscular structure
- muscle system
- minuteness
- morbilli
- modernism
- modernity
- monologue
- multiplicand
- migratory
- marriage proposal
- marriage offer
- marasmus
- melodious
- motel
- muggy
- malaria
- misgovernment
- maudlin
- migrant
- Marathi
- maratha
- mawkish
- minah