易経[ekikyou] I Ching (Yi Jing) or The Book of Changes - one of the Five Classics
一切経[issaikyou] complete Buddhist scriptures
運動神経[undoushinkei] motor nerves
規模の経済[kibonokeizai] economies of scale
共同経営[kyoudoukeiei] joint management

経つ[tatsu] to pass
経る[heru] to pass
経緯[ikisatsu] details
経営[keiei] management
経営グループ[keieiguruupu] management group

維持費[ijihi] maintenance costs
運動費[undouhi] campaign fund
加工費[kakouhi] processing cost
会費[kaihi] membership fee
学費[gakuhi] tuition

官費[kanpi] government expense
巨費[kyohi] great cost
共益費[kyouekihi] monthly fee for common areas of an apartment building (lighting, etc.)
教材費[kyouzaihi] teaching material fees
区費[kuhi] ward expenses