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

下疳[gekan] chancre
疳高い[kandakai] high-pitched
疳癪[kanshaku] passion
疳性[kanshou] irritability

疳癪玉[kanshakudama] fit of anger
軟性下疳[nanseigekan] soft chancre
疳の虫[kannomushi] convulsions (in a child)