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)

一六銀行[ichirokuginkou] pawnshop
一六勝負[ichirokushoubu] gambling
五臓六腑[gozouroppu] the internal organs
三十六計[sanjuurokkei] the 36 (ancient Chinese military) strategies (of which the last resort was said to be beating a retreat)
三面六臂[sanmenroppi] rush of business

四六時中[shirokujichuu] around the clock
十六[juuroku] 16
十六音符[juurokuonpu] 16th note
十六夜[izayoi] sixteen-day-old moon
上方贅六[kamigatazeiroku] people of the Kyoto area

まっ四角[masshikaku] square
一天四海[ittenshikai] the world
下四半期[shimoshihanki] last quarter (of the year)
弦楽四重奏曲[gengakushijuusoukyoku] string quartet
再三再四[saisansaishi] repeatedly

三寒四温[sankanshion] alternation of three cold and four warm days
四つ[yottsu] four
四つんばい[yotsunbai] (crawl) on all fours
四つ角[yotsukado] four corners
四つ足[yotsuashi] four-footed (animal)

ドイツ民主共和国[doitsuminshukyouwakoku] German Democratic Republic (i.e. former East Germany)
移民[imin] emigration
漢民族[kanminzoku] Chinese people
窮民[kyuumin] poor people
区民[kumin] ward residents

愚民[gumin] ignorant people
軍民[gunmin] the military and civilians
県民[kenmin] citizens of a prefecture
県民会館[kenminkaikan] prefectural meeting hall
原住民[genjuumin] native people