tamarillo vs shrub

tamarillo and shrub both are nouns.

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

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

tamarillo: South American arborescent shrub having pale pink blossoms followed by egg-shaped reddish-brown edible fruit somewhat resembling a tomato
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of tamarillo include bush.

tamarillo (noun)	shrub (noun)
South American arborescent shrub having pale pink blossoms followed by egg-shaped reddish-brown edible fruit somewhat resembling a tomato	a low woody perennial plant usually having several major stems