- Mishear
- Mishit
- Misinformation
- Misinterpretation
- Misjudgement
- Mislay
- Misled
- Misletoe
- Miso
- Misologist
- Misread
- Misrepresent
- Misrule
- Miss
- Miss apprehensive
- Missend
- Missile
- Missionary
- Missis
- Misspelling
- Misstatement
- Missus
- Mist
- Mistakenly
- Mistletoe
- Mistook
- Mistress
- Misunderstand
- Misused
- Mite
- Mithographer
- Mitigating
- Mitigation
- Mixed fraction
- Mixed metaphor
- Mixy-maxy
- Mob-law
- Mobilize
- Mobster
- Mocker
- Mocking
- Mod
- Modeling
- Models
- Moderatrix
- Modern era
- Modern languages
- Modernism
- Modish
- Monogamist
- Modulate
- Moggie
- Mohur
- Molasses
- Molecular biology
- Molest
- Mollient
- Mollusc
- Mollycoddle
- Moralitically
- Molten
- Momentous
- Monarchist
- Monarchy
- Monazite
- Monday
- Money-box
- Money-market
- Mongrel
- Moniker
- Moniliform
- Monkey tamer
- Monkey up
- Monkish
- Mono-act farce
- Monoatomic
- Monobrow
- Monocarp
- Monocephalous
- Monocracy
- Monodrama
- Monomania
- Mononymous
- Monopolist
- Monopsychotic twins
- Monosyllabically
- Monotheism
- Monotonic
- Monotonous
- Monotype
- Monstruous
- Montage
- Month
- Month of chithra
- Monument
- Monumentally
- Moo
- Moocher
- Moodiness
- Moon light flitting