love-in-a-mist vs chickweed

love-in-a-mist and chickweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
love-in-a-mist	Yes	No	No	No
chickweed	Yes	No	No	No

As nouns, chickweed is a hypernym of love-in-a-mist; that is, chickweed is a word with a broader meaning than love-in-a-mist:

love-in-a-mist: chickweed with hairy silver-grey leaves and rather large white flowers
chickweed: any of various plants related to the common chickweed

Other hypernyms of love-in-a-mist include clammy chickweed, mouse-ear chickweed, mouse ear, mouse eared chickweed.

love-in-a-mist (noun)	chickweed (noun)
tropical American passion flower with finely dissected bracts; stems malodorous when crushed	any of various plants of the genus Stellaria
chickweed with hairy silver-grey leaves and rather large white flowers	any of various plants related to the common chickweed
European garden plant having finely cut leaves and white or pale blue flowers