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)

課す[kasu] to levy
課する[kasuru] to levy
課員[kain] section staff
課外[kagai] extracurricular
課業[kagyou] schoolwork

課金[kakin] charges
課制[kasei] section system (companies)
課税[kazei] taxation
課税控除[kazeikoujo] tax exemption