male berry vs shrub

male berry and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
male berry	Yes	No	No	No
shrub	Yes	No	No	No

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

male berry: deciduous much-branched shrub with dense downy panicles of small bell-shaped white flowers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of male berry include bush.

male berry (noun)	shrub (noun)
deciduous much-branched shrub with dense downy panicles of small bell-shaped white flowers	a low woody perennial plant usually having several major stems