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

嗄れる[shiwagareru] to become hoarse
嗄びる[karabiru] to dry up
嗄れ声[shagaregoe] hoarse voice
嗄れる[kareru] to grow hoarse

嗄らす[karasu] to talk (or shout) oneself hoarse
声が嗄れる[koegakareru] to become hoarse
嗄れ嗄れ[karegare] hoarse