Whaler rhymes with:
ailor, ayler, aylor, bailer, bailor, baler, baylor, caler, caylor, eyler, failor, faler, galer, gayler, gaylor, inhaler, jailer, kaler, kaylor, mailer, maler, nailor, naylor, paylor, sailer, sailor, sayler, saylor, scalar, semitrailer, seyler, seyller, shaler, staebler, tailor, tayler, taylor, thaler, trailer, traylor
Whaler sounds like:
wahler, wallar, waller, wehler, weiler, weller, wheeler, wiler, willer, woehler, wohler, woller, woolery, wyler