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