Eryngium yuccifolium vs rattlesnake's master

Eryngium yuccifolium and rattlesnake's master both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eryngium yuccifolium	Yes	No	No	No
rattlesnake's master	Yes	No	No	No

As nouns, Eryngium yuccifolium and rattlesnake's master are synonyms defined as:

Eryngium yuccifolium and rattlesnake's master: coarse prickly perennial eryngo of United States thought to cure rattlesnake bite

Other synonyms of Eryngium yuccifolium include button snakeroot, rattlesnake master.

Eryngium yuccifolium (noun)	rattlesnake's master (noun)
coarse prickly perennial eryngo of United States thought to cure rattlesnake bite	coarse prickly perennial eryngo of United States thought to cure rattlesnake bite