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