御三時[osanji] three-o'clock snack
三鞭酒[shanpen] champagne
球面三角法[kyuumensankakuhou] spherical trigonometry
胸三寸[munesanzun] heart
元三[ganzan] New Year's period (January 1st to 3rd)

五十三次[gojuusantsugi] the 53 Toukaidou stages
向こう三軒[mukousangen] one's next three neighbors
降三世明王[gouzanzemyouou] Trailokyavijaya Vidya-raja
再三[saisan] again and again
再三再四[saisansaishi] repeatedly

ダウ平均株価[dauheikinkabuka] Dow-Jones average
株が下がる[kabugasagaru] to fall in public esteem
株が上がる[kabugaagaru] to rise in public esteem
株価[kabuka] stock prices
株券[kabuken] stock certificate

株式[kabushiki] stock (company)
株式会社[kabushikigaisha] public company
株式公開[kabushikikoukai] stock offering (to the public)
株式取引所[kabushikitorihikijo] stock exchange