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

蔓延る[habikoru] to spread
芋蔓[imozuru] sweet-potato vines
芋蔓式[imozurushiki] one after another
金蔓[kanezuru] source of revenue
蔓延[manen] spread (e.g. of a disease)

手蔓[tezuru] connections
日陰蔓[hikagenokazura] running ground pine (species of club moss, Lycopodium clavatum)
甘茶蔓[amachazuru] jiaogulan (species of herbaceous vine; Gynostemma pentaphyllum)
蔦蔓[tsutakazura] ivy and vines
蔓草[tsurukusa] vine