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

お下げ[osage] wearing one's hair in braids
御覧下さい[gorankudasai] please look at it
ぶら下がる[burasagaru] to hang from
ぶら下げる[burasageru] to hang
こき下ろす[kokiorosu] to denounce

案下[anka] under the table
已下[ige] not exceeding
以下の通り[ikanotoori] as below
胃下垂[ikasui] gastroptosis
一枚下[ichimaishita] one step lower