Here's what rhymes with longtail.
pale tail tale jail bail bale dale pail male fail mail sale sail trail nail rail veil entail 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 ponytail unveil grail monorail bobtail hightail prevail travail gunwale mainsail pigtail topsail foresail taffrail nonpareil wassail pellmell lugsail carrell exhale countervail martingale swallowtail hangnail fingernail tattletale