mind's eye

miner's cat

miner's lettuce

moeller's glossitis

molisch's test

mongolian people's republic

monk's cloth

monro's foramen

montagu's harrier

montezuma's revenge

montgomery's tubercle

morlett's crocodile

morrow's honeysuckle

mother carey's chicken

mother carey's hen

mother-in-law's tongue

mother's boy

mother's daughter

mother's day

mother's milk

mother's son

mountain four o'clock

mountain lady's slipper

mouse's nest

mug's game

mule's ears

munchausen's syndrome

murphy's law

mutawa'een

naegele's rule

napier's bones

napier's rods

national socialist german workers' party

n'djamena

neat's-foot oil

ne'er

ne'er-do-well

nero's crown

new people's army

newton's first law

newton's first law of motion

newton's law

newton's law of gravitation

newton's law of motion

newton's second law

newton's second law of motion

newton's theory of gravitation

newton's third law

newton's third law of motion

new year's

new year's day

new year's eve

noah's flood

no man's land

noonan's syndrome

nor'-east

nor'-nor'-east

nor'-nor'-west

northern jacob's ladder

nor'-west

nun's habit

nurse's aide

nutritionist's calorie

nuttall's oak

objet d'art

oboe d'amore

o'brien

observer's meridian

o'casey

occam's razor

ockham's razor

o'clock

o'connor

o'er

officer's mess

off one's guard

o'flaherty

o'hara