bean caper vs shrub

bean caper and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
bean caper	Yes	No	No	No
shrub	Yes	No	No	No

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

bean caper: perennial shrub of the eastern Mediterranean region and southwestern Asia having flowers whose buds are used as capers
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of bean caper include bush.

bean caper (noun)	shrub (noun)
perennial shrub of the eastern Mediterranean region and southwestern Asia having flowers whose buds are used as capers	a low woody perennial plant usually having several major stems