Here's what rhymes with seakale.
gale kale 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 entail frail email stale assail curtail inhale snail flail braille impale carrell detail exhale fingernail bewail derail gunwale mainsail pigtail unveil foresail wassail hangnail hightail lugsail prevail travail topsail monorail taffrail bobtail pellmell ponytail countervail swallowtail martingale nonpareil tattletale