Here's what rhymes with networkrail.
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 wassail lugsail detail prevail entail travail inhale exhale bewail gunwale pigtail topsail unveil foresail impale monorail bobtail pellmell hangnail hightail mainsail ponytail swallowtail fingernail countervail martingale nonpareil tattletale