屁と火事はもとから騒ぐ[hetokajihamotokarasawagu] it is often the originator of problems who kicks up a fuss or complains loudest
屁をひって尻窄め[hewohitteshiritsubome] there's no point squeezing your buttocks after you have farted
屁理屈[herikutsu] sophism
放屁[houhi] breaking wind
言出しっ屁[iidashippe] first person to say something

河童の屁[kappanohe] a cinch
屁放き虫[hekokimushi] fart bug
屁こき[hekoki] farting
屁っぴり腰[heppirigoshi] bent back

河内[hanoi] Hanoi
運河[unga] canal
応急渡河[oukyuutoka] hasty crossing
黄河[kouga] Yellow river (in China)
河港[kakou] river port

河鹿[kajika] kajika frog (Buergeria buergeri)
河床[kashou] riverbed
河水[kasui] river water
河川[kasen] rivers
河童[kappa] kappa (mythical water-dwelling creatures)

悪童[akudou] bad boy
河童[kappa] kappa (mythical water-dwelling creatures)
河童巻き[kappamaki] cucumber sushi wrapped in nori (seaweed)
学童[gakudou] school child
お河童[okappa] bobbed hair (from resemblance to the mythical Kappa's hair style)

三尺の童子[sanjakunodouji] mere child
児童[jidou] children
児童画[jidouga] pictures drawn by a child
児童劇[jidougeki] juvenile play
児童心理学[jidoushinrigaku] child psychology