stephanotis vs shrub

stephanotis and shrub both are nouns.

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

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

stephanotis: any of various evergreen climbing shrubs of the genus Stephanotis having fragrant waxy flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of stephanotis include bush.

stephanotis (noun)	shrub (noun)
any of various evergreen climbing shrubs of the genus Stephanotis having fragrant waxy flowers	a low woody perennial plant usually having several major stems