myrtle flag vs flagroot

myrtle flag and flagroot both are nouns.

Word	Noun	Adjective	Verb	Adverb
myrtle flag	Yes	No	No	No
flagroot	Yes	No	No	No

As nouns, myrtle flag and flagroot are synonyms defined as:

myrtle flag and flagroot: perennial marsh plant having swordlike leaves and aromatic roots

Other synonyms of myrtle flag include Acorus calamus, calamus, sweet calamus, sweet flag.

myrtle flag (noun)	flagroot (noun)
perennial marsh plant having swordlike leaves and aromatic roots	perennial marsh plant having swordlike leaves and aromatic roots