加答児[kataru] catarrh
愛児[aiji] beloved child
遺児[iji] orphan
育児[ikuji] childcare
育児院[ikujiin] orphanage

育児園[ikujien] baby nursery
育児時間[ikujijikan] nursing time
育児室[ikujishitsu] nursery
育児食[ikujishoku] baby food
育児法[ikujihou] child-rearing practice

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

移動図書館[idoutoshokan] mobile library
映画館[eigakan] movie theatre (theater)
開館[kaikan] opening a hall for that day's business (museum, library, such like buildings)
館娃[kanai] palace (in China built by Wu Dynasty King)
館員[kanin] personnel (of public building)

館長[kanchou] superintendent
記念館[kinenkan] memorial hall
迎賓館[geihinkan] reception hall (esp. for visiting state dignitaries)
県民会館[kenminkaikan] prefectural meeting hall