simulate vs emulate

simulate and emulate both are verbs.

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

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

Other hyponyms of simulate include conform to, follow, mock, take off, mime, mimic, model, pattern, follow, take after.

simulate (verb)	emulate (verb)
make a pretence of	compete with successfully; approach or reach equality with
create a representation or simulation of	strive to equal or match, especially by imitating
reproduce someone's behavior or looks	imitate the function of (another system), as by modifying the hardware or the software