Assessor rhymes with:
successor, aggressor, besser, bresser, chesser, compressor, dresser, esser, gresser, guesser, hesser, jesser, kolesar, kresser, leser, lesser, lessor, loesser, messer, nesser, oppressor, possessor, presser, professor, schlesser, stressor, successor, suppressor, transgressor, vesser
Assessor sounds like:
aaker, acary, accessory, accor, accrue, accuray, accuser, acer, acero, acerra, achor, acker, acquire, acquirer, acre, acree, acrey, acri, acro, acura, agar, ager, aggrey, agora, agoura, agra, agree, agri, agro, aguero, aguiar, aguirra, aguirre, aicher, ajar, aker, akira, akre, aquirre, asahara, asaro, ascher, ashare, asher, ashore, ashrawi, ashur, asker, assayer, assira, assure, assyria, auger, augur, auker, auxier, azar, azarow, azeri, azhar, azura, azure, azzara, azzaro