Acker rhymes with:
aker, akre, attacker, backer, bakker, blacker, bracher, bracker, cracker, hacker, lacher, lacquer, macher, makar, packer, racker, sacher, schacher, slacker, stacker, tacker, thacher, thacker, thakkar, tracker, vanacker, wacker, whacker, zacher
Acker sounds like:
aaker, acary, accessory, accor, accrue, accuray, accuser, acer, acero, acerra, achor, 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, assessor, assira, assure, assyria, auger, augur, auker, auxier, azar, azarow, azeri, azhar, azura, azure, azzara, azzaro