Pact rhymes with:
impact, packed, repacked, unpacked, 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, pracht, protract, racked, react, redact, reenact, repacked, retract, sacked, schacht, slacked, smacked, snacked, stacked, subtract, tacked, tact, tracht, tracked, tract, transact, unpacked, whacked, wracked
Pact sounds like:
pabst, paced, packaged, packed, packet, packett, packwood, pacto, paged, paget, pagett, pagette, pagoda, paquet, paquette, pascutto, passat, passed, past, pasta, paste, pasted, paucity, paused, pazuto, peaked, pecht, pecot, peeked, pegged, peixoto, pepcid, peseta, pest, pesta, peugeot, pfost, phagocyte, phased, phaseout, physicist, piaget, pichette, picht, picked, picket, picketed, pickett, picotte, pictet, pieced, piechota, piggott, pigott, pigsty, piqued, piquette, piscataway, pisciotta, pissed, pizatti, pizzuti, pizzuto, poached, pobst, pocked, pocket, pocketed, poised, poked, pokeweed, poquette, posada, posed, posit, posited, possessed, post, postdate, postdated, posted, postit, poust, pseudo, psyched, puckett, puget, puget-1, pushed, pussycat