Carum carvi vs herbaceous plant

Carum carvi and herbaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carum carvi	Yes	No	No	No
herbaceous plant	Yes	No	No	No

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

Carum carvi: a Eurasian plant with small white flowers yielding caraway seed
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 Carum carvi include herb.

Carum carvi (noun)	herbaceous plant (noun)
a Eurasian plant with small white flowers yielding caraway seed	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests