hoaxer vs prankster

hoaxer and prankster both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoaxer	Yes	No	No	No
prankster	Yes	No	No	No

As nouns, hoaxer and prankster are synonyms defined as:

Other synonyms of hoaxer include cut-up, practical joker, tricker, trickster.

hoaxer (noun)	prankster (noun)
someone who plays practical jokes on others	someone who plays practical jokes on others