attain vs win

attain is not a noun while win is a noun.

Word	Noun	Adjective	Verb	Adverb
attain	No	No	Yes	No
win	Yes	No	Yes	No

As verbs, win is a hypernym of attain; that is, win is a word with a broader meaning than attain:

Other hypernyms of attain include bring home the bacon, come through, deliver the goods, succeed.

attain (noun)	win (noun)
	a victory (as in a race or other competition)
	something won (especially money)

attain (verb)	win (verb)
reach a point in time, or a certain state or level	be the winner in a contest or competition; be victorious
reach a destination, either real or abstract	obtain advantages, such as points, etc.
find unexpectedly	win something through one's efforts
to gain with effort	acquire or deserve by one's efforts or actions
	attain success or reach a desired goal