杜父魚[tofugyo] sculpin (any fish of family Cottidae, inc. the bullheads and the miller's-thumb)
杜撰[zusan] careless
杜漏[zurou] careless
杜宇[hototogisu] lesser cuckoo (Cuculus poliocephalus)
杜夫魚[kakubutsu] fourspine sculpin (species of fish, Cottus kazika)

杜絶[tozetsu] stoppage
鎮守の杜[chinjunomori] grove of the village shrine
杜氏[touji] chief brewer at a sake brewery (after name of sake's alleged inventor)
杜若[kakitsubata] rabbitear iris (Iris laevigata)

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

草臥れる[kutabireru] to get tired
遺草[isou] posthumous works
一年草[ichinensou] annual (plant)
詠草[eisou] draft poem
下草[shitakusa] undergrowth

仮名草紙[kanazoushi] story in the kana
伽草子[togizoushi] fairy-tale book
海草[kaisou] marine plant
乾草[kansou] hay
甘草[kanzou] liquorice

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

田鵑[hototogisu] lesser cuckoo (Cuculus poliocephalus)
杜鵑草[hototogisu] toad lily (Tricyrtis hirta)

山杜鵑草[yamahototogisu] lesser cuckoo (Cuculus poliocephalus) (esp. one living in the mountains)
杜鵑花[tokenka] satsuki azalea (Rhododendron indicum)