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