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