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)

沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency
科学技術庁[kagakugijutsuchou] Science and Technology Agency
科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
官公庁[kankouchou] government administration office
官庁[kanchou] government office

官庁街[kanchougai] government district
環境庁[kankyouchou] Environment Agency
環境庁長官[kankyouchouchoukan] Director General of Environment Agency
管轄官庁[kankatsukanchou] controlling office
気象庁[kishouchou] (Japanese) Meteorological Agency