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

三色菫[sanshokusumire] heartsease (wild pansy, Viola tricolor)
菫草[sumiregusa] Fuji dawn (species of violet, Viola mandshurica)
菫科[sumireka] Violaceae (the violet family of plants)
菫青石[kinseiseki] cordierite

菫色[sumireiro] violet (colour)
アフリカ菫[afurikasumire] African violet
匂菫[nioisumire] sweet violet (Viola odorata)