emulate vs simulate

emulate and simulate both are verbs.

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

As verbs, simulate is a hypernym of emulate; that is, simulate is a word with a broader meaning than emulate:

Other hypernyms of emulate include copy, imitate.

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