Lafrance rhymes with:
france, crance, france, prance, rance, schranz, trance, advance, alamance, anse, askance, chance, crance, dance, duran's, enhance, expanse, finance, france, glance, hance, lance, mance, mccance, nance, perchance, pomerance, pomeranz, prance, rance, refinance, romance, schanz, schranz, stance, trance, underfinance, vance
Lafrance sounds like:
laboring, labranche, lafrenz, layborne's, lefrancois, leverenz, levering, liberians, librarians, lieberman's, livernois, lovering