day jessamine vs shrub

day jessamine and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
day jessamine	Yes	No	No	No
shrub	Yes	No	No	No

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

day jessamine: West Indian evergreen shrub having clusters of funnel-shaped white flowers that are fragrant by day
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of day jessamine include bush.

day jessamine (noun)	shrub (noun)
West Indian evergreen shrub having clusters of funnel-shaped white flowers that are fragrant by day	a low woody perennial plant usually having several major stems