御古[ofuru] used article (esp. clothes)
手古摺る[tekozuru] to have much trouble
土耳古[toruko] Turkey
下稽古[shitageiko] rehearsal
懐古[kaiko] recalling the old days

擬古[giko] imitation of classical styles
擬古文[gikobun] classical style
稽古[keiko] practice
遠古登点[wokototen] marks to aid in reading Chinese classics
古え[inishie] antiquity

円墳[enpun] round burial mound
古墳[kofun] ancient (mound) tomb
前方後円墳[zenpoukouenfun] keyhole-shaped tumulus (form of ancient Imperial grave)
墳墓[funbo] grave
墳丘[funkyuu] tumulus

古墳時代[kofunjidai] Tumulus period (of Japanese history)
方墳[houfun] flat-topped burial mound
墳丘墓[funkyuubo] tomb embedded in a Yayoi period barrow
上円下方墳[jouenkahoufun] burial mound with square flat base and round top