- MTBF
- mtDNA
- MTech
- MTF
- mtg
- mtg.
- mtge.
- MTI
- mtn
- MTNG
- MTO
- MTP
- Mt Rev.
- MTS
- Mts.
- MTV
- Mtwara
- mu
- Mu
- MU
- Mu'awiyah I
- Muay Thai
- Mubarak
- muc-
- mucedinous
- much
- muchacha
- muchacho
- much ado about nothing
- Much Ado About Nothing
- much as
- much less
- muchness
- mucho
- much sought after
- muci-
- mucic
- mucic acid
- mucid
- muciferous
- mucigel
- mucigen
- mucilage
- mucilaginous
- mucin
- muciparous
- muck
- muck about
- muckamuck
- muck-a-muck
- muck bar
- mucker
- muck in
- mucking
- muckland
- muckle
- muckluck
- muckrake
- muckraker
- muckrakers
- mucksweat
- muck up
- muck-up
- muck-up day
- muckworm
- mucky
- muckymuck
- mucluc
- muco-
- mucoid
- mucolytic
- mucopolysaccharide
- mucoprotein
- mucopurulent
- mucor
- mucosa
- mucous
- mucous membrane
- mucoviscidosis
- mucro
- mucronate
- mucus
- mud
- Mudanjiang
- mud bath
- mud berth
- mud bug
- mudcap
- mudcat
- mud crab
- mud crack
- mud dauber
- mudder
- muddle
- muddle along
- muddled
- muddlehead
- muddleheaded
- muddler
- muddle through
- muddy
- muddy the waters
- mud eel
- Mudéjar
- mudeye
- mudfat
- mud fever
- mudfish
- mud flap
- mud flat
- mudflow
- mud gecko
- mudguard
- mud hen
- mudhole
- mudir
- mudlark
- mudlump
- mud map
- mudminnow
- mudpack
- mud pie
- mud pot
- mudpuppy
- mud puppy
- mudra
- mud room
- mudsill
- mudskipper
- mudslide
- mud slide
- mudslinging
- mud snake
- mudspate
- mudspringer
- mudstone
- mud stream
- mudsucker
- mud turtle
- mud volcano
- mud wasp
- mud-wrestling
- mu ehr
- Mueller
- muenster
- muesli
- muesli bar
- muezzin
- MUF
- muff
- muff glass
- muffin
- muffineer
- muffin man
- muffin stand
- muffin top
- muffle
- muffle color
- muffler
- muffuletta
- mufti
- Mufulira
- mug
- mug's game
- Mugabe
- mugga
- muggee
- mugger
- mugging
- muggins
- muggle
- muggy
- Mughal
- mugho pine
- mug punter
- mug shot
- mug up
- mugwort
- mugwump
- Muhajirun
- Muhammad
- Muhammad Ahmed
- Muhammad Ali
- Muhammadan
- Muhammadan calendar
- Muhammadanism
- Muhammad Ghori
- Muhammad Riza Pahlavi
- Muharram
- Mühlbach
- Muhlenberg
- Mühlhausen
- muir
- Muir
- muirburn
- Muir Glacier
- mujaheddin
- mujahedin
- mujik
- mujtahid
- Mukalla
- mukbang
- Mukden
- Mukha
- mukluk
- mukti
- muktuk
- mulatto
- mulberry
- mulberry family
- Mulberry Harbour
- mulch
- mulcher
- Mulciber
- mulct
- Muldoon
- mule
- mule chest
- mule deer
- mule-ears
- mule-fat
- muleheaded
- mules
- mule skinner
- Mules operation
- mule spinning
- muleta
- muleteer
- mule train
- muley
- muley saw
- mulga
- Mulhacén
- Mülheim an der Ruhr
- Mulhouse
- muliebrity
- mulier
- mulier puisne
- mulierty
- mulish
- Mulki
- mull
- Mull
- mullah
- mullein
- mullein pink
- muller
- Muller
- Müller
- mullered
- Müllerian mimicry
- Müller-Lyer illusion
- mullet
- mulley
- mulligan
- Mulligan
- mulligatawny
- mulligrubs
- Mulliken
- mulling
- Mullingar
- mullion
- Mullis
- mullite
- mullock
- mull over
- mulloway
- Mulroney
- mult-
- Multan
- multangular
- multeity
- multi
- multi-
- multi–
- multiaccess
- multicast
- multicellular
- multichannel analyser
- multicide
- multicoil
- multicollinearity
- multicolor
- multicolored
- multicoloured
- multiculti
- multicultural
- multiculturalism
- multicylinder
- multidentate
- multidimensional
- multidirectional
- multidisciplinary
- multiethnic
- multifaceted
- multifactor authentication
- multifactorial
- multifactorial inheritance
- multifamily
- multifarious
