Orthoclase rhymes with:
plagioclase, plagioclase, anyplace, birthplace, cityplace, commonplace, everyplace, fireplace, lovelace, marketplace, parcplace, plagioclase, shoelace, showplace, someplace, workplace
plagioclase, plagioclase, anyplace, birthplace, cityplace, commonplace, everyplace, fireplace, lovelace, marketplace, parcplace, plagioclase, shoelace, showplace, someplace, workplace