Synonyms for Calamus (same or very similar meaning)
WordNet sense 1 (perennial marsh plant having swordlike leaves and aromatic roots):
flagroot, sweet flag, Acorus calamus, myrtle flag, sweet calamusWordNet sense 2 (a genus of Sparidae):
genus CalamusWordNet sense 3 (the hollow spine of a feather):
quill, shaftFrom the ODE community, based on WordNetadd/edit