carissa vs shrub

carissa and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
carissa	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of carissa; that is, shrub is a word with a broader meaning than carissa:

carissa: a shrub of the genus Carissa having fragrant white flowers and plumlike red to purple-black fruits
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of carissa include bush.

carissa (noun)	shrub (noun)
a shrub of the genus Carissa having fragrant white flowers and plumlike red to purple-black fruits	a low woody perennial plant usually having several major stems