- Male cat
- Male flower
- Male sex
- Male-monkey
- Malefactor
- Malefic ally
- Maleficent
- Malevolently
- Malignacy
- Mallu
- Malnutrition
- Malogoa mango
- Malpighian tubules
- Malt liquor
- Malware
- Mammal
- Mammillation
- Mammon
- Man of glowing beauty
- Man of letter
- Man of mould
- Man of the heroic mould
- Man of the moment
- Man-eater
- Manageable
- Mandrake
- Maneuver
- Manganese
- Mango nut
- Mangy
- Manhood
- Manicure
- Manifest
- Manifestation
- Manifold
- Manipulation
- Mankind
- Manliness
- Mannequin
- Mannerless
- Mannerly
- Mannish
- Manor house
- Manpower
- Mansion
- Mantel-piece
- Mantic
- Mantle
- Manufacture
- Marginalia
- Manumit
- Manure
- Manuscript
- Many
- Many thousands
- Many-headed beast
- Manys the time
- Marasmus senilis
- March
- March past
- Marching
- Marconi gram
- Mares nest
- Margosa tree
- Marijuana
- Marinate
- Marine
- Maritime
- Marjoram
- Mark with a white stone
- Market rate
- Market town
- Marketable
- Marking
- Marking ink
- Marksman
- Marlin
- Marmoset
- Marquee
- Marriage broker
- Marriageable
- Marrow bone
- Marrying
- Mars
- Marsh
- Marshland
- Marsilia
- Marten
- Martyr
- Marvelled
- Marvellous
- Marvellously
- Marvelous
- Marxian
- Marxism
- Marzipan
- Masculine
- Masonry
- Mass defect
- Maddar