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

一日増しに[ichinichimashini] day by day
加増[kazou] increase
割り増し金[warimashikin] premium
急増[kyuuzou] rapid increase
増して[mashite] still more

激増[gekizou] sudden increase
建て増す[tatemasu] to extend (building)
水増し[mizumashi] dilution
漸増[zenzou] gradual increase
増す[masu] to increase