Downplay rhymes with:
screenplay, foreplay, horseplay, interplay, screenplay, swordplay, barclay, beaujolais, chalet, dalai, dunlay, foreplay, grindlay, gudelay, horseplay, inlay, interplay, mandalay, melee, nicolay, outlay, overlay, palay, rabalais, relay, screenplay, swordplay, waertsilae, waylay
Downplay sounds like:
danville, denapoli, denoble, detemple, dimple, dinapoli, downfall, dumbbell