Broker's rhymes with:
brokers, brokers', exbroker's, exbrokers, brokers, brokers', exbroker's, exbrokers, brokers, brokers', exbroker's, exbrokers, folkers, jokers, kocur's, nonsmokers, nonsmokers', smoker's, smokers, smokers'
Broker's sounds like:
barkers, berger's, berkshires, berserk, borchers, bracher's, braggers, brashears, brashers, braziers, breakers, breshears, bresser's, brochures, brokerage, brokerage's, brokerages, brokerages', brokers, brokers', broshears, browsers, bruegger's, brushwork, bureaucracies, bureaucracy, bureaucracy's, burger's, burgers