summer cypress vs shrub

summer cypress and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
summer cypress	Yes	No	No	No
shrub	Yes	No	No	No

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

summer cypress: densely branched Eurasian plant; foliage turns purple-red in autumn
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of summer cypress include bush.

summer cypress (noun)	shrub (noun)
densely branched Eurasian plant; foliage turns purple-red in autumn	a low woody perennial plant usually having several major stems