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