Certificates rhymes with:
syndicate's, achatz, advocate's, advocates, affricates, baskets, biscuits, blankets, brackets, buckets, caskets, 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, syndicate's, thickets, ticket's, tickets, trinkets, wastebaskets, wickets