chickweed vs herb

chickweed and herb both are nouns.

Word	Noun	Adjective	Verb	Adverb
chickweed	Yes	No	No	No
herb	Yes	No	No	No

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

chickweed: any of various plants of the genus Stellaria
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 chickweed include herbaceous plant.

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

chickweed: any of various plants related to the common chickweed
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 chickweed include herbaceous plant.

chickweed (noun)	herb (noun)
any of various plants of the genus Stellaria	aromatic potherb used in cookery for its savory qualities
any of various plants related to the common chickweed	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests