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

家宝[kahou] heirloom
擬宝珠[giboshi] ornamental railing top
合成宝石[gouseihouseki] synthetic gems
国宝[kokuhou] national treasure
財宝[zaihou] treasure

三重宝冠[sanjuuhoukan] (papal) triple tiara
至宝[shihou] most valuable asset
七宝[shippou] the 7 treasures (gold, silver, pearls, agate, crystal, coral, lapis lazuli)
什宝[juuhou] treasured article
重宝がる[chouhougaru] to find useful

夏蜜柑[natsumikan] Chinese citron (Citrus natsudaidai)
柑橘類[kankitsurui] citrus fruits
金柑[kinkan] kumquat (Fortunella spp.)
蜜柑[mikan] mandarin orange (esp. the satsuma mandarin, Citrus unshiu)
蜜柑畑[mikanbatake] mandarin plantation

蜜柑の汁[mikannoshiru] mandarin orange juice
凸柑[ponkan] ponkan orange (Citrus reticulata)
甘夏柑[amanatsukan] sweet (variety of) Watson pomelo
夏柑[natsukan] Chinese citron (Citrus natsudaidai)
柑子色[koujiiro] orange