Corestates' rhymes with:
allstate's, corestates, interstates, overstates, sunstates, understates, allstate's, corestates, facilitates, gravitates, hesitates, imitates, interstates, irritates, necessitates, overstates, permutates, potentates, rotates, sunstates, understates
Corestates' sounds like:
careerists, christ's, christakos, christic, christie's, christies, christy's, chrostowski, circuit's, circuitous, circuits, corestates, corrects, crests, cricket's, crickets, cristo's, crusades, crustaceous, crusts, cruzados, curiosities