Rackers rhymes with:
bracher's, crackers, trackers, accor's, acker's, attackers, backer's, backers, bakker's, bakkers, bracher's, crackers, hacker's, hackers, packers, slackers, trackers
Rackers sounds like:
racehorse, racehorses, racers, raisers, rakers, raucher's, razor's, razors, reassures, recharge, recourse, recross, regress, requires, rescuers, reseachers, research, research's, researches, resource, resources, resources', richcreek, rickers, riechers, rigorous, rigors, riker's, rikers, rockers, rockrose, roger's, rogers, rogers', rogers's, rosaria's, rosaries