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