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