dirty trick vs caper

dirty trick and caper both are nouns.

Word	Noun	Adjective	Verb	Adverb
dirty trick	Yes	No	No	No
caper	Yes	No	Yes	No

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

Other hypernyms of dirty trick include antic, joke, prank, put-on, trick.

dirty trick (noun)	caper (noun)
an unkind or aggressive trick	gay or light-hearted recreational activity for diversion or amusement
	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

dirty trick (verb)	caper (verb)
	jump about playfully