見澄ます[misumasu] to observe carefully
耳を澄ます[mimiwosumasu] to listen carefully
上澄[uwazumi] the clear top of a liquid
澄まし屋[sumashiya] a prim person
澄まし顔[sumashigao] composed expression

澄ます[sumasu] to clear
澄みきる[sumikiru] to be serene
澄み渡る[sumiwataru] to be perfectly clear
澄む[sumu] to clear (e.g. weather)
清澄[seichou] clear

スポーツ新聞[supootsushinbun] sporting newspaper
悪徳新聞[akutokushinbun] irresponsible newspaper
逸聞[itsubun] something unheard of
叡聞に[eibunni] (in the) emperor's hearing
下聞[kabun] enquiring beforehand

下聞き[shitagiki] enquiring beforehand
寡聞[kabun] limited information
怪聞[kaibun] strange rumor
外聞[gaibun] reputation
旧聞[kyuubun] old news

可聴[kachou] audible
可聴距離[kachoukyori] audible distance
可聴度[kachoudo] audibility
聴す[yurusu] to permit
謹聴[kinchou] listening attentively

傾聴[keichou] listening closely
幻聴[genchou] auditory hallucination
公聴会[kouchoukai] public hearing
視聴[shichou] looking and listening
視聴覚[shichoukaku] senses of seeing and hearing

訊ねる[tazuneru] to ask
訊問[jinmon] cross-examination
反対訊問[hantaijinmon] cross-examination
訊き返す[kikikaesu] to ask in return

訊く[kiku] to hear
不審訊問[fushinjinmon] police questioning (of a suspicious person)
道を訊く[michiwokiku] to ask the way
拷訊[goujin] torture