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)

夏季休暇[kakikyuuka] summer vacation
暇な時[himanatoki] leisure time
暇取る[himadoru] to take time
暇人[himajin] man of leisure
暇潰し[himatsubushi] waste of time

閑暇[kanka] leisure
休暇[kyuuka] holiday
休暇願い[kyuukanegai] application for leave
公暇[kouka] leave of absence
賜暇[shika] furlough