caper vs shrub

caper and shrub both are nouns.

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

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

Other hypernyms of caper include bush.

caper (noun)	shrub (noun)
gay or light-hearted recreational activity for diversion or amusement	a low woody perennial plant usually having several major stems
a crime (especially a robbery)
a ludicrous or grotesque act done for fun and amusement
a playful leap or hop
pickled flower buds used as a pungent relish in various dishes and sauces
any of numerous plants of the genus Capparis

caper (verb)	shrub (verb)
jump about playfully