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

一絃琴[ichigenkin] single-stringed Japanese zither
管絃楽[kangengaku] orchestral music
絃楽[gengaku] music for strings
絃楽器[gengakki] stringed instruments
絃声[gensei] sound of the strings

絃線[gensen] catgut
五絃[gogen] five strings
三絃[sangen] three-stringed instrument
絃歌[genka] singing and (string) music