Sponsor's rhymes with:
sponsors, sponsors, sponsors, advancers, announcers, answer's, answers, biosensors, bouncers, cancer's, cancers, censors, cosponsors, dancer's, dancers, dancers', dispensers, freelancers, lancers, mincers, pincers, sensor's, sensors, spencer's, spencers, spenser's, spensers, sponsors
Sponsor's sounds like:
scavengers, spencer's, spencers, spenser's, spensers, sponsors