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

一升[isshou] unit of old Japanese liquid measurement
一升壜[isshoubin] 1 sho bottle (1.8 litres)
升目[masume] measure
升席[masuseki] tatami "box seat" for four people at sumo, kabuki, etc.
升形[masugata] square (shape)

升遷[shousen] rising up
升酒[masuzake] alcohol (esp. sake) served in a small wooden box
升売り[masuuri] selling something by the boxful (in a wooden masu box)
蓮華升麻[rengeshouma] false anemone (Anemonopsis macrophylla)