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