御辞儀[ojigi] bow
威儀[igi] dignity
一儀[ichigi] an incident
儀式[gishiki] ceremony
儀式主義[gishikishugi] ritualism

儀式張る[gishikibaru] to formalize
儀式用[gishikiyou] ceremonial
儀装[gisou] ceremonial equipment
儀装馬車[gisoubasha] state carriage

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