horse; horse racing; promoted bishop; knight (court card in mekuri karuta and unsun karuta)
ear; hearing; ear (for music, etc.); edge; crust; ear (of a pot, jug, etc.)
nembutsu; nianfo; the three-word invocation "Namu Amida Butsu" dedicated to the Amitabha Buddha; visualizing a Buddha (in one's mind)