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)

刊行[kankou] publication
刊行会[kankoukai] publication society
季刊[kikan] quarterly (e.g. magazine)
休刊[kyuukan] suspension of publication
旧刊[kyuukan] back number

近刊[kinkan] forthcoming publication
月刊[gekkan] monthly publication
月刊誌[gekkanshi] monthly magazine
再刊[saikan] reprint
終刊[shuukan] cessation of publication