stimulate vs prompt

stimulate is not a noun while prompt is a noun.

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

As verbs, prompt is a hyponym of stimulate; that is, prompt is a word with a more specific, narrower meaning than stimulate:

Other hyponyms of stimulate include decide, persuade, bring, solicit, encourage, let, lead, inspire, instigate, suborn, compel, obligate, oblige.

stimulate (noun)	prompt (noun)
	a cue given to a performer (usually the beginning of the next line to be spoken)
	(computer science) a symbol that appears on the computer screen to indicate that the computer is ready to receive a command

stimulate (adjective)	prompt (adjective)
	performed with little or no delay
	according to schedule or without delay; on time
	ready and willing or quick to act

stimulate (verb)	prompt (verb)
cause to be alert and energetic	serve as the inciting cause of
act as a stimulant	assist (somebody acting or reciting) by suggesting the next words of something forgotten or imperfectly learned
provide the needed stimulus for	give an incentive for action
cause to do; cause to act in a specified manner
cause to occur rapidly
stir the feelings, emotions, or peace of
stir feelings in