Here's what rhymes with moonpale.
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 mainsail unveil grail monorail hightail prevail travail gunwale pigtail ponytail topsail taffrail bobtail nonpareil wassail pellmell carrell exhale countervail foresail martingale hangnail lugsail fingernail swallowtail tattletale