pretend vs simulate

pretend is a noun but simulate is not a noun.

Word	Noun	Adjective	Verb	Adverb
pretend	Yes	Yes	Yes	No
simulate	No	No	Yes	No

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

Other hyponyms of pretend include assume, feign, sham.

pretend (noun)	simulate (noun)
the enactment of a pretense

pretend (adjective)	simulate (adjective)
imagined as in a play

pretend (verb)	simulate (verb)
make believe with the intent to deceive	make a pretence of
represent fictitiously, as in a play, or pretend to be or act like	create a representation or simulation of
put forward, of a guess, in spite of possible refutation	reproduce someone's behavior or looks
state insincerely
behave unnaturally or affectedly
put forward a claim and assert right or possession of