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

感歎符[kantanfu] exclamation point
感歎[kantan] admiration
驚歎[kyoutan] wonder
歎き[nageki] grief
歎く[nageku] to sigh

歎願[tangan] entreaty
歎声[tansei] sigh (of admiration or lamentation)
悲歎[hitan] grief
詠歎[eitan] exclamation
感歎詞[kantanshi] interjection