roquette vs herbaceous plant

roquette and herbaceous plant both are nouns.

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

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

roquette: erect European annual often grown as a salad crop to be harvested when young and tender
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 roquette include herb.

roquette (noun)	herbaceous plant (noun)
erect European annual often grown as a salad crop to be harvested when young and tender	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests