聴講 （チョウコウ） lecture attendance, auditing

聴覚 （チョウカク） the sense of hearing

難聴 （ナンチョウ） hardness of hearing, bradyacusia, deafness, hearing loss

愛聴 （アイチョウ） loving listening to something, loving to listen to something

聞く （きく） to hear, to listen (e.g. to music), to ask, to enquire, to query, to hear about, to hear of, to learn of, to follow (advice, order, etc.), to obey, to listen to, to comply with, to hear (e.g. a plea), to grant (a request), to accept (e.g. an argument), to give consideration to, to smell (esp. incense), to sample (a fragrance), to taste (alcohol), to try

許す （ゆるす） to permit, to allow, to approve, to consent to, to forgive, to pardon, to excuse, to tolerate, to exempt (someone) from, to remit, to release, to let off, to acknowledge, to admit, to trust, to confide in, to let one's guard down, to give up (points in a game, distance in a race, etc.), to yield