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