prank vs embellish

prank is a noun but embellish is not a noun.

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

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

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

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

prank (verb)	embellish (verb)
dress up showily	make more beautiful
dress or decorate showily or gaudily	add details to
	make more attractive by adding ornament, colour, etc.
	be beautiful to look at