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