harvest-lice vs agrimony

harvest-lice and agrimony both are nouns.

Word	Noun	Adjective	Verb	Adverb
harvest-lice	Yes	No	No	No
agrimony	Yes	No	No	No

As nouns, agrimony is a hypernym of harvest-lice; that is, agrimony is a word with a broader meaning than harvest-lice:

harvest-lice: erect perennial Old World herb of dry grassy habitats
agrimony: a plant of the genus Agrimonia having spikelike clusters of small yellow flowers

Other hypernyms of harvest-lice include agrimonia.

harvest-lice (noun)	agrimony (noun)
erect perennial Old World herb of dry grassy habitats	a plant of the genus Agrimonia having spikelike clusters of small yellow flowers