frangipani vs shrub

frangipani and shrub both are nouns.

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

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

frangipani: any of various tropical American deciduous shrubs or trees of the genus Plumeria having milky sap and showy fragrant funnel-shaped variously colored flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of frangipani include bush.

frangipani (noun)	shrub (noun)
any of various tropical American deciduous shrubs or trees of the genus Plumeria having milky sap and showy fragrant funnel-shaped variously colored flowers	a low woody perennial plant usually having several major stems