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

くっ着ける[kuttsukeru] to attach
バス発着場[basuhacchakujou] depot
逢着[houchaku] encounter
悪戯着[itazuragi] rompers
圧着[acchaku] crimp

圧着端子[acchakutanshi] crimp contact
安着[anchaku] safe arrival
伊達着[dategi] showy clothes
移着[ichaku] adhering or embedding of wear debris in the opposing surface
磯巾着[isoginchaku] sea anemone