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

河豚[fugu] puffer fish
海豚[iruka] dolphin (or other small toothed whales, such as porpoises, belugas, etc.)
焼き豚[yakibuta] roast pork
酢豚[subuta] sweet-and-sour pork
鼠海豚[nezumiiruka] harbor porpoise (harbour)

土豚[tsuchibuta] aardvark (Orycteropus afer)
豚に真珠[butanishinju] (cast) pearls before swine
豚カツ[tonkatsu] pork cutlet
豚小屋[butagoya] pigsty