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

詰まらない[tsumaranai] dull
右詰め[migizume] right justification
押し詰る[oshitsumaru] to approach the year end
押詰める[oshitsumeru] to pack (in box)
荷物を詰める[nimotsuwotsumeru] to pack one's things

罐詰[kanzume] packing (in cans)
気詰り[kizumari] constrained
詰まらせる[tsumaraseru] to make shorter
詰まる[tsumaru] to be packed (with)
詰む[tsumu] to become fine