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