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

火の見櫓[hinomiyagura] fire lookout
物見櫓[monomiyagura] watchtower
櫓太鼓[yaguradaiko] drums which announce the opening of a stage performance or commencement of bouts
櫓投げ[yaguranage] inner thigh throw

櫓杭[rogui] fulcrum peg (fitted into the cavity in an oar as part of a traditional oarlock)
櫓臍[robeso] fulcrum peg (fitted into the cavity in an oar as part of a traditional oarlock)
櫓櫂[rokai] sculls and paddles
見せ櫓[miseyagura] observation tower