prank vs diversion

prank and diversion both are nouns.

Word	Noun	Adjective	Verb	Adverb
prank	Yes	No	Yes	No
diversion	Yes	No	No	No

As nouns, diversion is a hypernym of prank; that is, diversion is a word with a broader meaning than prank:

Other hypernyms of prank include recreation.

prank (noun)	diversion (noun)
a ludicrous or grotesque act done for fun and amusement	an activity that diverts or amuses or stimulates
acting like a clown or buffoon	a turning aside (of your course or attention or concern)
	an attack calculated to draw enemy defense away from the point of the principal attack

prank (verb)	diversion (verb)
dress up showily
dress or decorate showily or gaudily