prank vs decorate

prank is a noun but decorate is not a noun.

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

As verbs, decorate is a hypernym of prank; that is, decorate is a word with a broader meaning than prank:

Other hypernyms of prank include adorn, beautify, embellish, grace, ornament.

prank (noun)	decorate (noun)
a ludicrous or grotesque act done for fun and amusement
acting like a clown or buffoon

prank (verb)	decorate (verb)
dress up showily	provide with decoration
dress or decorate showily or gaudily	make more attractive by adding ornament, colour, etc.
	award a mark of honor, such as a medal, to
	be beautiful to look at