Oppressors rhymes with:
compressors, presser's, aggressors, bresser's, compressors, dresser's, dressers, presser's, stressors, aggressors, assessors, bresser's, compressors, dresser's, dressers, guessers, lessors, messrs, messrs., mssrs, mssrs., predecessors', presser's, professor's, professors, professors', stressors, successors
Oppressors sounds like:
overcharge, overcharges, overseers