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

一戸建[ikkodate] detached house
一本建て[ippondate] (a) single standard
円建て[endate] denominated in yen
経営再建[keieisaiken] management reorganization
建てる[tateru] to build

建て回す[tatemawasu] to build around
建て増す[tatemasu] to extend (building)
建議[kengi] proposition
建具[tategu] fittings such as sliding doors, fusuma, shoji, etc.
建国[kenkoku] founding of a nation