Euonymus atropurpureus vs shrub

Euonymus atropurpureus and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Euonymus atropurpureus	Yes	No	No	No
shrub	Yes	No	No	No

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

Euonymus atropurpureus: deciduous shrub having purple capsules enclosing scarlet seeds
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Euonymus atropurpureus include bush.

Euonymus atropurpureus (noun)	shrub (noun)
deciduous shrub having purple capsules enclosing scarlet seeds	a low woody perennial plant usually having several major stems