Here's what rhymes with fullsail.
fail sale sail veil hail shale 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 foresail wale trail prevail email travail inhale quail quale braille unveil grail wassail hightail lugsail detail entail curtail exhale bewail derail mainsail topsail impale taffrail pellmell carrell gunwale pigtail ponytail monorail bobtail swallowtail hangnail fingernail countervail martingale nonpareil tattletale