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

青鷺[aosagi] grey heron (Ardea cinerea)
黒鷺[kurosagi] eastern reef heron
大鷺[daisagi] great (white) egret
白鷺[shirasagi] generic name for herons with all-white plumage (inc. egrets)
朱鷺[shuro] Japanese crested ibis (Nipponia nippon)

五位鷺[goisagi] black-crowned night heron (Nycticorax nycticorax)
若鷺[wakasagi] Japanese pond smelt (Hypomesus nipponensis)
鷺草[sagisou] fringed orchid
箆鷺[herasagi] common spoonbill (Platalea leucorodia)