Difficulty, Dig, Dilemma, Discomfiture, Disconcert, Disturbance, Dredge, Dressing, Drill, Drive, Embarrassment, Engrave, Enigma, Erase, Erasure, Erode, Erosion, Excavate, Fiddle, File, Filing, Fix, Fracture, Fray, Frazzle, Fret, Fretting, Furrow, Gall, Galling, Garner, Gash, Gather, Genuflect, Glance, Glean, Gnaw, Gouge, Grate, Grave, Graze, Grazing, Grind, Grinding, Groan, Groove, Grovel, Growl, Grub, Grumble, Hatch, Hit, Hobble, Hole, Homage, Hurt, Husband, Imbroglio, Impinge, Incision, Inclination, Injure, Injury, Inscribe, Jam, Jangle, Jar, Kiss, Kneel, Kneeling, Lacerate, Laceration, Lesion, Line, Lithograph, Lower, Maim, Skirt, Slash, Slit, Slough, Smoothing, Snarl, Snore, Sore, Spade, Spare, Spot, Sprain, Squeeze, Stab, Stew, Stick, Stint, Strain, Strait, Straits, Struggle, Submission, Submissiveness, Survive, Swamp, Sweep, Tear, Tightrope, Toady, Tool, Touch, Trauma, Trench, Trouble, Trough, Tunnel, Twang, Upset, Wear, Wound, Wrench, Ablate, Ablation, Abrasion, Abrasive, Accumulate, Aggregate, Amass, Assemble, Attrition, Baffle, Bafflement, Bark, Belch, Bend, Bewilderment, Bind, Blare, Blat, Blemish, Bloody, Bob, Bore, Bother, Bow, Box, Bray, Break, Bruise, Brush, Buffing, Burn, Burnishing, Burr, Burrow, Buzz, Cackle, Caress, Carve, Caw, Chafe, Chafing, Character, Check, Chip, Chisel, Clang, Clank, Clash, Claw, Clutch, Compile, Complication, Concussion, Confusion, Contact, Cope, Corner, Crack, Crackle, Craze, Crease, Croak, Crunch, Curtsy, Cut, Damage, Delve, Manage, Mark, Marshal, Maul, Mess, Mine, Mix, Morass, Muddle, Muster, Mutilate, Mutilation, Mystery, Nod, Nudge, Obeisance, Obsequiousness, Pass, Perplexity, Perturbation, Pickle, Pierce, Pinch, Plight, Polishing, Position, Predicament, Print, Problem, Prostration, Puncture, Puzzle, Puzzlement, Quagmire, Quarry, Quicksand, Rasp, Rasping, Raze, Remove, Rent, Reverence, Riddle, Rip, Rub, Run, Rupture, Salaam, Salutation, Salute, Sanding, Sap, Savage, Save, Saw, Scald, Scoop, Scorch, Score, Scotch, Scour, Scouring, Scrabble, Scraping, Scratch, Scratching, Screw, Scrub, Scrubbing, Scuff, Sculpture, Servility, Shave, Shining, Shovel, Sink, Situation, Skim, Skimp, Skin