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

汗を搔く[asewokaku] to perspire
搔く[kaku] to scratch
足搔き[agaki] struggling

御搔[okaki] mochi cut thin, dried, and baked or fried
代搔き[shirokaki] preparing a rice field for planting by flooding it and breaking up the soil