Preparers rhymes with:
bearers, errors, scherer's, standard-bearers, stretcher-bearers, terrors, wearers, admirers, bearers, errors, explorers, hearers, horrors, insurer's, insurers, insurers', juror's, jurors, jurors', mirror's, mirrors, reinsurers, rorer's, scherer's, scorers, seafarers, standard-bearers, storer's, stretcher-bearers, terrors, wearers
Preparers sounds like:
paraphrase, perforce, perverse, prefers, prepares, probursa, purifiers, purveyors