Here's what rhymes with impale.
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 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 fingernail countervail foresail martingale nonpareil hangnail lugsail swallowtail tattletale