Merriam-Webster's Collegiate Dictionary:
melville, lake
melvillean
mem
member
membered
membership
membrane
membraned
membranous
membranous labyrinth
membranously
meme
memel
memento
memento mori
memlinc
memling
memnon
memo
memoir
memoirist
memorabilia
memorability
memorable
memorableness
memorably
memorandum
memorial
memorial day
memorial park
memorialise
memorialist
memorialization
memorialize
memorially
memorise
memoriter
memorizable
memorization
memorize
memorizer
memory
memory lane
memory trace
memphian
memphis
memphite
memphremagog, lake
memsahib
men
men's room
men-
men?ndez de avil?s
menace
menacingly
menadione
menado
menagerie
menai strait
menander
menarche
menarcheal
mench?
mencius
mencken
menckenian
mend
mend?s-france
mendable
mendacious
mendaciously
mendaciousness
mendacity
mende
mendel
mendel's law
mendelevium
mendeleyev
mendelian
mendelian factor
mendelian inheritance
mendelism
mendelist
mendelssohn
mendelssohn-bartholdy
mendelssohnian
mendenhall
mender
menderes
mendicancy
mendicant
mendicity
mendip
mendocino, cape
mendota, lake
mendoza
menelaus
