chickweed vs herbaceous plant

chickweed and herbaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
chickweed	Yes	No	No	No
herbaceous plant	Yes	No	No	No

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

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

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

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

chickweed (noun)	herbaceous plant (noun)
any of various plants of the genus Stellaria	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
any of various plants related to the common chickweed