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