barbasco vs shrub

barbasco and shrub both are nouns.

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

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

barbasco: West Indian shrub or small tree having leathery saponaceous leaves and extremely hard wood
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of barbasco include bush.

barbasco (noun)	shrub (noun)
West Indian shrub or small tree having leathery saponaceous leaves and extremely hard wood	a low woody perennial plant usually having several major stems