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