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