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