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)

ご苦労様[gokurousama] thank you very much for your ...
御苦労さん[gokurousan] I appreciate your efforts
慰労[irou] recognition of services
過労[karou] overwork
過労死[karoushi] death from overwork and mental stress

気苦労[kigurou] worry
漁労[gyorou] fishing
共労者[kyourousha] coworker
勤労[kinrou] labor
勤労階級[kinroukaikyuu] salaried class

下協議[shitakyougi] preliminary conference
学協会[gakukyoukai] study society
関税貿易一般協定[kanzeibouekiippankyoutei] General Agreement on Tariffs and Trade (abolished in 1995)
休戦協定[kyuusenkyoutei] cease-fire agreement
協同戦線[kyoudousensen] common front

協同体[kyoudoutai] cooperative body
協会[kyoukai] association
協議[kyougi] conference
協議員[kyougiin] delegate
協議会[kyougikai] conference