朱欒[zabon] shaddock
朱印[shuin] red seal
朱印状[shuinjou] license with a red seal (licence)
朱印船[shuinsen] shogunate-licensed trading ship
朱顔[shugan] flushed face

朱子学[shushigaku] neo-Confucianism (based on the teachings of Zhu Xi and his followers)
朱書[shusho] writing in red
朱書き[shugaki] writing in red
朱鞘[shuzaya] red-lacquered sword sheath

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)