aspiration vs emulation

aspiration and emulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
aspiration	Yes	No	No	No
emulation	Yes	No	No	No

As nouns, emulation is a hyponym of aspiration; that is, emulation is a word with a more specific, narrower meaning than aspiration:

Other hyponyms of aspiration include American Dream, nationalism.

aspiration (noun)	emulation (noun)
the act of inhaling; the drawing in of air (or other gases) as in breathing	effort to equal or surpass another
a will to succeed	(computer science) technique of one machine obtaining the same results as another
a manner of articulation involving an audible release of breath	ambition to equal or excel
a cherished desire