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