Account's rhymes with:
accounts, accounts, counts, discounts, kountz, recounts, accounts, amounts, counts, discounts, kountz, mounts, mountz, recounts, younts
Account's sounds like:
accents, accentuates, accommodates, accounts, acmat's, agematsu, agendas, agent's, agents, agents', aquanauts, ascends, asmodeus, assessments, assignment's, assignments, axiomatic