- mouth wash
- megaton-bomb
- mount meru
- male sex
- mpx
- magnetic tape
- make as if or though
- mineralogical
- mis
- many persons
- misspelled
- malayalam era
- machismo
- magical
- majority
- make a capital out of
- make a dent
- make a merit of
- make one's mark
- make someone's hackles rise
- make the grade
- make something over to someone
- mothers younger sister
- make way
- military academy
- malign
- malignacy
- malodorous
- man of glowing beauty
- man of justice
- manly
- mannerly
- mannish
- manoeuvre
- marasmus senilis
- marksman, markswoman
- marksmanship
- marplot
- marriage certificate
- married
- martial
- martyrdom
- masochistic
- mason
- mistrust
- massage
- master class
- master degree
- masturbation
- maul
- mawkish
- mayday
- mayor
- maze
- meal
- mechanism
- mediator
- medicinal root
- medieval
- medievalist
- meditation
- medulla
- mainour
- memorably
- memorandum of association
- menace
- mend
- mercantile
- merchant ship
- merit
- mescaline
- mesmerise
- mess about, mess around
- mow
- methodical
- métier
- metric
- museology
- mettlesome
- miasma
- mickey
- mickle
- micr
- microbe
- microcephal
- microcephalous
- migrant labourers
- military array
- military base
- minstrel
- minted coin
- minus symbol
- minute-book
- mischief
- misconceive
- miserly
- misfire
- misguided
- misshapen
- missionary