下渋り[shitashiburi] (stock market) steadiness
苦渋[kujuu] bitterness
渋い[shibui] astringent
渋る[shiburu] to hesitate
渋柿[shibugaki] astringent persimmon

渋滞[juutai] congestion (e.g. traffic)
渋味[shibumi] good taste
出し渋る[dashishiburu] to grudge
出渋る[deshiburu] to be unwilling to go out
難渋[nanjuu] retardation

草臥れる[kutabireru] to get tired
遺草[isou] posthumous works
一年草[ichinensou] annual (plant)
詠草[eisou] draft poem
下草[shitakusa] undergrowth

仮名草紙[kanazoushi] story in the kana
伽草子[togizoushi] fairy-tale book
海草[kaisou] marine plant
乾草[kansou] hay
甘草[kanzou] liquorice