ハチ公[hachikou] statue of Hachiko (a dog) at Shibuya station
郭公[kakkou] common cuckoo (Cuculus canorus)
株式公開[kabushikikoukai] stock offering (to the public)
蒲公英[tanpopo] dandelion (esp. species Taraxacum platycarpum)
官公庁[kankouchou] government administration office

丸公[marukou] official price
勤め奉公[tsutomeboukou] apprenticeship
公平[kinpira] chopped burdock root (and sometimes carrot) cooked in sugar and soy sauce
公孫樹[kousonju] ginkgo (Ginkgo biloba)

意馬心猿[ibashinen] (being unable to control) one's worldly desires and passions
猿轡をかます[sarugutsuwawokamasu] to gag someone
猿も木から落ちる[sarumokikaraochiru] even monkeys fall from trees
猿回し[sarumawashi] showman who trains performing monkeys
猿ぐつわ[sarugutsuwa] (mouth) gag

猿股[sarumata] undershorts
猿芝居[sarushibai] monkey show
猿まね[sarumane] indiscriminate imitation (lit: monkey imitator)
猿人[enjin] ape man