Here's what rhymes with milltail.
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 impale faille wale detail scale avail entail frail email assail curtail inhale quail snail flail quale bewail derail grail pellmell hightail prevail travail mainsail pigtail topsail unveil foresail martingale monorail taffrail bobtail wassail lugsail carrell exhale gunwale ponytail nonpareil swallowtail fingernail countervail hangnail tattletale