Possessor rhymes with:
aggressor, assessor, besser, bresser, chesser, compressor, dresser, esser, gresser, guesser, hesser, jesser, kolesar, kresser, leser, lesser, lessor, loesser, messer, nesser, oppressor, presser, professor, schlesser, stressor, successor, suppressor, transgressor, vesser
Possessor sounds like:
paccar, pacer, packager, packer, pagar, pager, passaro, passer, passero, paxar, peacher, pechora, pecor, pecora, pecoraro, pecore, peguero, peiser, pekar, peshawar, peyser, pfizer, picaro, picher, pickar, picker, pickier, picower, piker, pixar, pizarro, pizer, pizzazier, pizzeria, poacher, poker, pooser, poser, poucher, poyser, pucker, pusher, puskar, pysher