Polygala senega vs senega root

Polygala senega and senega root both are nouns.

Word	Noun	Adjective	Verb	Adverb
Polygala senega	Yes	No	No	No
senega root	Yes	No	No	No

As nouns, Polygala senega and senega root are synonyms defined as:

Polygala senega and senega root: eastern North American plant having a terminal cluster of small white flowers and medicinal roots

Other synonyms of Polygala senega include Seneca snakeroot, senega snakeroot, Seneka snakeroot, senga root.

Polygala senega (noun)	senega root (noun)
eastern North American plant having a terminal cluster of small white flowers and medicinal roots	eastern North American plant having a terminal cluster of small white flowers and medicinal roots