視聴者【しちょうしゃ】
viewer, (television) audience
盗聴【とうちょう】
interception (email), wiretap, bug
聴衆【ちょうしゅう】
audience, attendance, hearers
傍聴【ぼうちょう】
listening (to a lecture, hearing, parliament session, etc.), attending (without participating), sitting in (e.g. on a meeting), observing
聴覚【ちょうかく】
the sense of hearing
聴講【ちょうこう】
lecture attendance, auditing
聴取【ちょうしゅ】
hearing (of a statement, opinion, explanation, etc.), asking, questioning (e.g. a suspect), enquiry, listening (e.g. to the radio)
視聴率【しちょうりつ】
ratings (e.g. of a television program), audience rating, viewing rate
公聴会【こうちょうかい】
public hearing
視聴【しちょう】
looking and listening, (television) viewing, watching, (public) attention, interest
傾聴【けいちょう】
listening closely
補聴器【ほちょうき】
hearing aid
難聴【なんちょう】
hardness of hearing, bradyacusia, deafness, hearing loss, having poor reception (radio, etc.)
聴聞【ちょうもん】
listening, hearing
視聴覚【しちょうかく】
senses of seeing and hearing, audiovisual
聴聞会【ちょうもんかい】
hearing (by a government agency)
盗聴器【とうちょうき】
listening device, bug, wiretap
聴力【ちょうりょく】
hearing ability
聴診器【ちょうしんき】
stethoscope