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

ご苦労様[gokurousama] thank you very much for your ...
御苦労さん[gokurousan] I appreciate your efforts
苦力[kuurii] coolie
悪戦苦闘[akusenkutou] hard fighting
気苦労[kigurou] worry

夜露死苦[yoroshiku] well
狭苦しい[semakurushii] cramped
勤苦[kinku] toil and hardship
苦い[nigai] bitter
苦しい[kurushii] painful

験を担ぐ[genwokatsugu] to be superstitious
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test
リトマス試験紙[ritomasushikenshi] litmus paper
英語基礎能力試験[eigokisonouryokushiken] English Language Proficiency Test
化学試験[kagakushiken] chemical test

核実験[kakujikken] nuclear (bomb) test
核兵器実験[kakuheikijikken] nuclear test
基礎試験[kisoshiken] preclinical study
期末試験[kimatsushiken] final exam
経験[keiken] experience