Smacked rhymes with:
abstract, act, attacked, attract, backed, blacked, bracht, counterattacked, cracked, detract, diffract, distract, enact, exact, extract, fact, hacked, impact, inexact, intact, interact, jacked, kracht, lacked, medfact, overreact, packed, pact, pracht, protract, racked, react, redact, reenact, repacked, retract, sacked, schacht, slacked, snacked, stacked, subtract, tacked, tact, tracht, tracked, tract, transact, unpacked, whacked, wracked
Smacked sounds like:
sanctity, schenectady, schuknecht, secessionist, semi-height, sense-data, sensed, singed, sinusoid, skinniest, smashed, smestad, smoggiest, smoked, smoshed, snacked, snagged, sneaked, sneezed, sonesta, soonest, succinct, sumgait, summonsed, suncoast, sunkist, sunnyside, sunset, sunstate, sunsweet, swimsuit