Here's what rhymes with hwail.
whale ail ale wail wale male scale fail mail sale pale sail tail tale jail nail rail veil frail gale hail shale bail stale vale bale dale pail quail snail flail hale quale kale faille trail avail email assail bewail braille grail wassail hightail detail entail curtail inhale exhale derail gunwale unveil foresail impale taffrail carrell prevail travail mainsail pigtail topsail monorail bobtail swallowtail pellmell hangnail lugsail fingernail ponytail countervail martingale nonpareil tattletale