breadroot vs herbaceous plant

breadroot and herbaceous plant both are nouns.

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

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

breadroot: densely hairy perennial of central North America having edible tuberous roots
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 breadroot include herb.

breadroot (noun)	herbaceous plant (noun)
densely hairy perennial of central North America having edible tuberous roots	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests