悪循環[akujunkan] vicious circle
一環[ikkan] link (e.g. a part of a larger plan)
印環[inkan] signet ring (in medical contexts, e.g. signet ring cell)
円環[enkan] circle
花環[hanawa] wreath

環境[kankyou] environment
環境グループ[kankyouguruupu] environmental group
環境事業[kankyoujigyou] environmental business
環境庁[kankyouchou] Environment Agency
環境庁長官[kankyouchouchoukan] Director General of Environment Agency

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

ロボットの視覚[robottonoshikaku] robot vision
一視同仁[isshidoujin] loving every human being with impartiality
衛視[eishi] guards at parliament
遠隔視[enkakushi] remote viewing
遠視[enshi] farsightedness

仮性近視[kaseikinshi] false shortsightedness
可視[kashi] visibility
可視化[kashika] visualization (data, results, etc.)
可視光線[kashikousen] visible ray
監視[kanshi] observation

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