wank vs stimulate

wank is a noun but stimulate is not a noun.

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

As verbs, stimulate is a hypernym of wank; that is, stimulate is a word with a broader meaning than wank:

Other hypernyms of wank include excite, stir.

wank (noun)	stimulate (noun)
slang for masturbation

wank (verb)	stimulate (verb)
get sexual gratification through self-stimulation	cause to be alert and energetic
	act as a stimulant
	provide the needed stimulus for
	cause to do; cause to act in a specified manner
	cause to occur rapidly
	stir the feelings, emotions, or peace of
	stir feelings in