Pranks, noun plural of prank. Synonyms in the same form.
Trick
tricks, jokes, capers, put-ons, antics, games, gags, escapades, jests, sports, larks, frolics, gambols, curvets
Clowning
clownings, buffooneries, frivolities, harlequinades, japeries
Other
freaks, monkey-shines, vagaries
All synonyms for prank →