benni vs herbaceous plant

benni and herbaceous plant both are nouns.

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

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

benni: East Indian annual erect herb; source of sesame seed or benniseed and sesame oil
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 benni include herb.

benni (noun)	herbaceous plant (noun)
East Indian annual erect herb; source of sesame seed or benniseed and sesame oil	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests