Much, muck, mucky, mud, muddy, muddle, muff , muffin, muffle, mufti, mug, mugger, muggy, mulberry, mulch, multiform, multiple, multitude, mum, mumble, mumbo, mummer, mumps, munch, muscle, muscular, mush, mushroom, musk, musketry, muslin, muss, mussel, must, mustang, mustard, muster, mutt, muzzle.
Nub, null, nullify, nullity, numb, number, nun, nuncio, nunnery, nuptial, nut, nutmeg, nutshell, nutty, nuzzle, obstruct, pluck, plug, plumb, plum, plummy, plump, plunder, plunge, plunk, plus, plush, pub, public, puck, puddle, puff , puffin, pug, pulp, pulsar, pulse, pumice, pummel, pump, pumpkin.
Pun, punch, punctual, puncture, punish, punk, punster, punt, puppet, puppy, pus, pustule, puzzle, rebuff , rub, rubber, rubbish, rubble, ruck, ruckus, rudder, ruddle, ruddy, ruff, ruffian, ruffle, rug, rugby, rugged, rum, rumba, rumble, rumbling, rummage, rummy, rump, rumple, rumpus, run, rush, rust, rustic, rustle, rustling, rusty, rut.
Scrub, scruff , scrum, scrunch, scud, scuff , scuffle, scull, scullery, scullion, sculptor, sculpture, scum, scupper, scut, scuttle, shrub, shrubbery, shrug, shuck, shudder, shuffle, shun, shunt, shut, shutter, shuttle, sludge, slug, sluggard, sluggish, slum, slumber, slump, slung, slunk, slush, smudge, smug, smuggle, smut.
Snub, snuff , snuffer, snug, snuggle, splutter, sprung, spud, spun, spunk, sputter, struck, structure, struggle, strum, strung, strut, stub, stubble, stubborn, stubby, stucco, stuck, stud, study, stuff , stuff y, stumble, stump, stun, stung, stunk, stunner, stunt, stutter, sub, subject, such, suck, suction, sudden, suds, suffer, suffix, sulk.
Sulk, sulky, sullen, sully, sultan, sultry, sum, summary, summer, summery, summit, summon, sump, sumptuous, sun, Sunday, sunder, sung, sunken, sunny, sup, supper, supple, supplement, suspect, tub, tuck, tug, tumble, tun, tundra, tunnel, tup, tush, tusk, tussle, tussock, tut, vulgar, vulture, wrung.