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

超す[kosu] to cross over (e.g. mountain)
出超[shucchou] excess of exports
超越[chouetsu] transcendence
超越関数[chouetsukansuu] transcendental function
超越交代[chouetsukoutai] passage of lines

超越点[chouetsuten] passage point
超音速[chouonsoku] supersonic speed
超過[chouka] excess
超格子[choukoushi] superlattice