Waertsilae rhymes with:
gudelay, mandalay, nicolay, rabalais, barclay, beaujolais, chalet, dalai, downplay, dunlay, foreplay, grindlay, gudelay, horseplay, inlay, interplay, mandalay, melee, nicolay, outlay, overlay, palay, rabalais, relay, screenplay, swordplay, waylay