Syndicate's rhymes with:
certificates, achatz, advocate's, advocates, affricates, baskets, biscuits, blankets, brackets, buckets, caskets, certificates, chicots, circuit's, circuits, connecticut's, cricket's, crickets, dockets, gaskets, lockett's, market's, markets, microcircuits, pickets, pickpockets, pockets, rackets, rocket's, rockets, silicates, skyrockets, sockets, supermarket's, thickets, ticket's, tickets, trinkets, wastebaskets, wickets
Syndicate's sounds like:
scientist's, scientists, scientists', syndicates, syndicats