salal vs shrub

salal and shrub both are nouns.

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

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

salal: small evergreen shrub of Pacific coast of North America having edible dark purple grape-sized berries
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of salal include bush.

salal (noun)	shrub (noun)
small evergreen shrub of Pacific coast of North America having edible dark purple grape-sized berries	a low woody perennial plant usually having several major stems