breaking, buster, stumbling block, baffler, changer, braker, showstopper, blow, spanker, set, snags, scuppers, drawback, plugger, smasher, setback, upholder, backbreaker, saver, biggie, bummer, undoing, kink, lock, shocker, problem, stealer, violation, hurdle, arrester, wrench, deathblow, impediment, obstacle, cinch, circuit breaker, dangler, scorcher, choker, severs, flaw, ignition coil, rip, pitfall, factor, busting, lifesaver, boon, rotor shaft, trumps, immersion heater, sizzler, breach, softy, stunner, ripper, nailing, doozie, wonky, endplay, downer, cracker, talker, grinder, biggy, battler, backer, death knell, guy, hindrance, hinderance, keystone, motivator, knocks, spanner, ignitor, exploder, brainer, tearer, satisfier, great, verticle, mistake, hugger, slam, violator, unbendable, biter, swith, setter, bugaboo, basher, riles, slam dunk, cutter, wind vane, stopper, softie, bloomer, lynchpin, swearer, goner, breakers, blower, burner, crusher, fuse, relay, switch, transformer, contactor, fuses, hoist, mixer, injector, refrigerator, separator, transformers, dryer, furnace, lathe, notched, circuiting, movable, soldered, bakelite, break, detachable, perforated, slotted, beveled, bevelled, bimetallic, hinge, hinged, locking, lucite, pivoted

stone breaker

ball-breaker

moving ridge, quarrier, quarryman, wave

ledgeman, surf