m, M m. MA ma’am macaroni machine machine gun machinery machinist mackerel macron mad Madagascar madam madame made mademoiselle made-up magazine maggot magic magical magician magma magnesium magnet magnetic magnetic field magnetic pole magnetic tape magnetism magnetize magnificence magnificent magnify magnifying glass magnitude magnolia magpie mahogany maid maiden maiden name maid of honor mail mailbox mail carrier mailman main Maine mainframe mainland mainly mainstay maintain maintenance maize majestic majesty major majority make make-believe makeshift makeup malaria Malawi Malaysia male Mali malice malicious malign malignant mallard mallet malnutrition malt malted milk mama mammal mammoth man manage management manager mandarin mandate mandolin mane maneuver manganese manger mango manhole manhood manicure Manitoba mankind man-made manner man-of-war manor mansion manslaughter mantel manual manufacture manure manuscript many map maple maple syrup Mar. marathon marble march March mare margarine margin marigold marine Marine Corps marionette maritime mark¹ mark² market marketplace marking marmalade maroon¹ maroon² marquis marquise marriage marrow marry Mars marsh marshal marshmallow marsupial martial martin Martin Luther King Day martyr marvel marvelous Maryland mascot masculine mash mask mason masquerade mass Mass Mass. Massachusetts massacre massage massive mass production mass transit mast master masterful masterpiece mat match¹ match² mate material maternal mathematical mathematician mathematics matinee matter mattress mature Mauritania maximum may May Maya maybe mayonnaise mayor maze MB Md. MD M.D. me Me. ME meadow meadowlark meager meal¹ meal² mean¹ mean² mean³ meaning meant meantime meanwhile measles measure measurement meat meatball mechanic mechanical mechanism medal meddle media median medic medical medicine medicine man medieval meditate Mediterranean medium medley meet meeting megaphone melancholy mellow melodious melody melon melt member membership membrane memento memo memorable memorial Memorial Day memorize memory men menace mend -ment mental mention menu meow merchandise merchant merchant marine mercury Mercury mercy mere merge meridian merit mermaid merry merry-go-round merrymaking mesa mesh mess message messenger messy met metabolism metal metallic metamorphic metamorphosis metaphor meteor meteorite meteorologist meteorology meter¹ meter² meter³ methane method metric metric system metronome metropolis metropolitan Mexican Mexico mg mi. MI mice Mich. Michigan microbe microchip microcomputer microorganism microphone microscope microwave microwave oven mid midday middle middle-aged Middle Ages middle class Middle East Middle English Middle West midget midland midnight midst midway Midwest might¹ might² mighty migrant migrate migration mild mildew mile mileage milestone military militia milk Milky Way mill milli- millimeter million millionaire mimeograph mimic min. minaret mince mincemeat mind mine¹ mine² mineral mingle miniature minimum mining minister mink Minn. Minnesota minnow minor minority mint¹ mint² minuend minus minute¹ minute² minuteman miracle miraculous mirage mirror mis- misbehave miscellaneous mischief mischievous miscount miser miserable misery misfortune misgiving mislay mislead misleading misplace mispronounce misread miss¹ miss² Miss. missile missing mission missionary Mississippi Missouri misspell mist mistake mistaken mister mistletoe mistook mistreat mistress mistrust misty misunderstand misunderstanding misunderstood misuse mite mitt mitten mix mixed number mixer mixture mix-up ml mm MN mo. Mo. MO moan moat mob mobile mobile home moccasin mock mockingbird mode¹ mode² model moderate modern modernize modest modify module Mohawk moist moisten moisture molar molasses mold¹ mold² molding mole¹ mole² molecule mollusk molt molten mom moment momentary momentous momentum Mon. monarch monarchy monastery Monday monetary money Mongolia mongoose mongrel monitor monk monkey monkey wrench monogram monologue monopolize monopoly monorail monotone monotonous monsieur monsoon monster monstrous Mont. Montana month monthly monument moo mood moody moon moonbeam moonlight moor¹ moor² moose mop moped moral morale more moreover morning morning glory Morocco morsel mortal mortar¹ mortar² mosaic Moslem mosque mosquito moss most mostly motel moth mother mother-in-law motherly motion motionless motion picture motive motor motorboat motorcycle motto mound mount¹ mount² mountain mountaineer mountain lion mountainous mountain range mourn mourning mouse moustache mouth mouthful mouth organ mouthpiece movable move movement mover movie moving mow mower mown Mozambique mpg or m.p.g. mph or m.p.h. Mr. Mrs. Ms. MS Mt. MT much mucilage mucus mud muddle muff muffin muffle muffler mug muggy Muhammad mulberry mule multiple multiplicand multiplication multiplier multiply multitude mumble mummy mumps munch municipal mural murder murky murmur muscle muscular museum mush mushroom music musical music box musician musket musketeer muskmelon musk ox muskrat Muslim muslin muss mussel must mustache mustang mustard muster mustn’t musty mute mutineer mutiny mutt mutter mutton mutual muzzle my myrtle myself mysterious mystery mystify myth mythical mythology