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