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

蓬莱羊歯[houraishida] common maidenhair (species of maidenhair fern, Adiantum capillus-veneris)
三蓬莱[sanhourai] the three sacred mountains: Fuji, Atsuta, and Kumano
蓬莱[hourai] Mount Penglai

蓬莱飾[houraikazari] Kansai New Year decoration (made from food)
蓬莱鱛[houraieso] Sloane's viperfish (Chauliodus sloani)
蓬莱竹[houraichiku] hedge bamboo (Bambusa multiplex)

蓬生[yomogiu] wasteland
蓬餅[yomogimochi] rice-flour dumplings mixed with mugwort
弊衣蓬髪[heiihouhatsu] unkempt hair and shabby clothes
蓬頭垢面[houtoukoumen] (with) unkempt hair and dirty face
麻の中の蓬[asanonakanoyomogi] if even the most crooked person is surrounded by good people, he will straighten up as does mugwort growing in a hemp field

大蓬[ooyomogi] Artemisia montana
山蓬[yamayomogi] Artemisia montana
灰色蓬[haiiroyomogi] Artemisia sieversiana
数咲き蓬[kazuzakiyomogi] Japanese mugwort