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

御手玉[otedama] beanbag
御手上げ[oteage] all over
御手盛り[otemori] making arbitrary decisions which benefit oneself
御手洗い[otearai] toilet
お手伝いさん[otetsudaisan] maid

手子摺る[tekozuru] to have much trouble
引っ手繰り[hittakuri] purse snatching
悪手[akushu] poor move
握手[akushu] handshake
安手[yasude] cheap kind

松楓[shoufuu] maple
楓子香[fuushikou] galbanum (gum resin from fennel)
楓糖[fuutou] maple sugar
観楓会[kanpuukai] get-together to enjoy the autumn foliage
楓属[fuuzoku] genus Liquidambar

楓林[fuurin] maple grove
楓葉[fuuyou] maple leaf
羽団扇楓[hauchiwakaede] Japanese maple (Acer japonicum)
唐楓[toukaede] trident maple