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