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

ご本尊[gohonzon] principal object of worship at a temple (usu. a buddha or bodhisattva)
自尊[jison] self-respect
自尊心[jisonshin] self-respect
女尊[joson] respect for women
尊意[soni] your idea

尊王家[sonnouka] Royalists
尊王党[sonnoutou] Imperialists
尊王討幕[sonnoutoubaku] reverence for the emperor and the overthrow of the shogunate
尊下[sonka] Obediently yours