masturbate vs wank

masturbate is not a noun while wank is a noun.

Word	Noun	Adjective	Verb	Adverb
masturbate	No	No	Yes	No
wank	Yes	No	Yes	No

As verbs, masturbate and wank are synonyms defined as:

Other synonyms of masturbate include fuck off, jack off, jerk off, she-bop.

masturbate (noun)	wank (noun)
	slang for masturbation

masturbate (verb)	wank (verb)
get sexual gratification through self-stimulation	get sexual gratification through self-stimulation
stimulate sexually