tinker's root vs horse gentian

tinker's root and horse gentian both are nouns.

Word	Noun	Adjective	Verb	Adverb
tinker's root	Yes	No	No	No
horse gentian	Yes	No	No	No

As nouns, tinker's root and horse gentian are synonyms defined as:

tinker's root and horse gentian: coarse weedy American perennial herb with large usually perfoliate leaves and purple or dull red flowers

Other synonyms of tinker's root include feverroot, Triostium perfoliatum, wild coffee.

tinker's root (noun)	horse gentian (noun)
coarse weedy American perennial herb with large usually perfoliate leaves and purple or dull red flowers	coarse weedy American perennial herb with large usually perfoliate leaves and purple or dull red flowers