Birthmark, Bite, Blackhead, Blemish, Blister, Brainstorm, Bug, Caprice, Catch, Check, Cirrus, Coil, Complication, Conceit, Corkscrew, Crack, Cramp, Cramps, Crank, Crater, Craze, Crick, Crimp, Crinkle, Crisp, Crotchet, Curl, Deface, Defect, Defection, Deficiency, Deform, Deformation, Deformity, Difficulty, Disfigure, Disfigurement, Distort, Distortion, Drawback, Eccentricity, Evolute, Fad, Failing, Failure, Fancy, Fault, Flaw, Foible, Frailty, Freak, Freckle, Gnawing, Griping, Helix, Hitch, Hole, Idiosyncrasy, Imperfection, Inadequacy, Infirmity, Involute, Knot, Maggot, Mar, Mole, Nip, Notion, Pang, Paroxysm, Pimple, Pinch, Pit, Pock, Prick, Problem, Pustule, Quirk, Rift, Ringlet, Roll, Scab, Scar, Scarify, Scratch, Screw, Scroll, Seizure, Shoot, Shooting, Shortcoming, Snag, Spasm, Spiral, Split, Stab, Stitch, Sty, Swirl, Taint, Tangle, Tendril, Thrill, Toy, Track, Tweak, Twinge, Twirl, Twist, Twitch, Vesicle, Volute, Vortex, Warp, Wart, Weakness, Weal, Welt, Whim, Whimsy, Whirl, Wrench, Wrinkle