rattlesnake root vs herb

rattlesnake root and herb both are nouns.

Word	Noun	Adjective	Verb	Adverb
rattlesnake root	Yes	No	No	No
herb	Yes	No	No	No

As nouns, herb is a hypernym of rattlesnake root; that is, herb is a word with a broader meaning than rattlesnake root:

rattlesnake root: herb of central and southern Europe having purple florets
herb: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

Other hypernyms of rattlesnake root include herbaceous plant.

As nouns, herb is a hypernym of rattlesnake root; that is, herb is a word with a broader meaning than rattlesnake root:

rattlesnake root: a plant of the genus Nabalus
herb: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

Other hypernyms of rattlesnake root include herbaceous plant.

rattlesnake root (noun)	herb (noun)
herb of central and southern Europe having purple florets	aromatic potherb used in cookery for its savory qualities
a plant of the genus Nabalus	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests