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)

育児園[ikujien] baby nursery
園芸[engei] horticulture
園児[enji] kindergarten pupil
園長[enchou] head of a garden
園遊会[enyuukai] garden party

果樹園[kajuen] orchard
開園[kaien] opening, either for the day or a "grand opening" (e.g. theme park, botanical garden etc.)
学園[gakuen] academy
学園祭[gakuensai] school festival

杏林[kyourin] apricot grove
営林[eirin] forest management
営林署[eirinsho] forest service field office
花林[karin] Burmese rosewood (Pterocarpus indicus)
花林糖[karintou] fried dough cake

寒帯林[kantairin] taiga
翰林[kanrin] literary circles
翰林院[kanrinin] academy
原始林[genshirin] primeval forest
原生林[genseirin] primeval forest

森閑[shinkan] silence
森厳[shingen] solemn
森羅万象[shinrabanshou] all things in nature
森林[shinrin] forest
青森県[aomoriken] Aomori prefecture (Tohoku area)

鎮守の森[chinjunomori] grove of the village shrine
森林公園[shinrinkouen] forest park
森林学[shinringaku] forestry
森林法[shinrinhou] the Forest Act