Words That Rhyme With "Slapper" :

2 syllables:

acker, adder, apter, Asper, atar, attar, backer, Bader, bagger, batter, beeper, bopper, Brader, bragger, camper, caper, capper, captor, capture, Caspar, Casper, chapter, chatter, cheaper, chipper, choper, chopper, clapper, cooper, coper, copper, Cowper, crabber, crapper, creeper, cropper, crupper, cupper, dabber, dagger, damper, dapper, deeper, diaper, dipper, Dnieper, dragger, draper, dropper, duper, fatter, flapper, gabbart, gagger, gaper, Gaspar, gasper, gipper, grabber, gripper, grouper, hacker, hamper, happier, hatter, hepar, Hepper, hipper, hooper, hoper, hopper, hyper, jabber, jacquard, Jagger, Jaipur, jasper, kapor, kapur, keeper, Kiper, kipper, knacker, knapper, Kuiper, kupper, lapper, madder, makar, mapper, matter, mopper, nagger, napper, nappier, natter, neeper, Neper, nipper, packer, padder, pamper, pampre, paper, patter, pattern, pauper, peeper, pepper, piper, pipper, popper, proper, propper, racker, raper, rapper, raptor, rapture, rasper, ratter, reaper, ripper, roper, sacker, sadder, saggar, sagger, sapor, sapper, sater, Saturn, scabbard, scalper, scamper, scatter, schnapper, scooper, scraper, scrapper, scupper, shaper, shatter, shipper, shopper, sipper, skipper, smacker, smatter, snacker, snagger, snapper, sniper, snooper, Soper, sopor, spatter, stabber, stacker, stagger, stamper, steeper, stepper, stooper, stoper, stopper, strapper, striper, stripper, stupor, super, supper, sweeper, tabard, tacker, tagger, tamper, taper, tapir, tapper, Tatar, tatter, thacker, tipper, toper, Topor, topper, tracker, tramper, trapper, tripper, trooper, trouper, upper, vamper, vapor, viper, weeper, whacker, whapper, whipper, whooper, whopper, wiper, wrapper, yabber, yatter, zapper, zipper

3 syllables:

adapter, adaptor, attacker, backslapper, bespatter, didapper, dispauper, enrapture, fourbagger, improper, kidnaper, kidnapper, recapture, repaper, standpatter, subchapter, unstopper

4 syllables:

antimatter, chitterchatter, handicapper, understrapper, whippersnapper, wiretapper