絵に描いた餠[enikaitamochi] pie in the sky
焼き餠[yakimochi] jealousy
鏡餠[kagamimochi] mirror-shaped mochi, usu. a pair stacked in order of size with a daidai on top, used as a New Year offering, then cut and eaten on January 11.
尻餠[shirimochi] falling on one's backside (behind, bottom)
餠肌[mochihada] soft skin

餠網[mochiami] grill or grate for toasting rice cakes
草餠[kusamochi] rice-flour dumplings mixed with mugwort
餠は餠屋[mochihamochiya] every man knows his own business best
供え餠[sonaemochi] offering of mochi rice cakes