Polygala senega vs senga root

Polygala senega and senga root both are nouns.

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

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

Polygala senega and senga 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 root, senega snakeroot, Seneka snakeroot.

Polygala senega (noun)	senga 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