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)

安い[yasui] cheap
安っぽい[yasuppoi] cheap-looking
安らか[yasuraka] peaceful
安らぎ[yasuragi] peace (of mind)
安んじる[yasunjiru] to be contented

安易[ani] easy
安穏[annon] peace
安価[anka] low price
安臥[anga] quiet rest
安楽[anraku] ease

位官[ikan] rank and official position
依願免官[iganmenkan] retirement at one's own request
尉官[ikan] officer below the rank of major
医官[ikan] medical officer
沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency

下士官[kashikan] non-commissioned officer
下士官兵[kashikanhei] enlisted man
科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
会計官[kaikeikan] accountant
外交官[gaikoukan] diplomat