One syllable words that rhyme with knick-knacks
act's, acts, facts, pact's, pacts, tracts, acts, ax, axe, backes, backs, bax, black's, blacks, blacks', cac's, caq's, cracks, dacs, dax, dax', facts, fax, flax, hacks, haq's, jack's, jacks, jaques, knacks, lac's, lacks, lax, mac's, mack's, macks, macs, max, maxx, pac's, packs, pacs, pacts, pak's, pax, plack's, plaques, plax, quacks, racks, rax, sachs, sachs', sacks, sacs, saks, sax, saxe, shacks, slacks, smacks, snacks, stac's, stacks, tacks, tax, track's, tracks, trax, vax, wacks, wax, whacks, x., yax, zack's, zacks
Two syllable words that rhyme with knick-knacks
attracts, compacts, contracts, detracts, distracts, enacts, exacts, extracts, impacts, medfacts, reacts, redactes, retracts, attacks, chirac's, impacts, knick-knacks, pretax, relax