summit vs attain

summit is a noun but attain is not a noun.

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

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

Other hypernyms of summit include arrive at, gain, hit, make, reach.

summit (noun)	attain (noun)
a meeting of heads of governments
the top or extreme point of something (usually a mountain or hill)
the highest level or degree attainable; the highest stage of development

summit (verb)	attain (verb)
reach the summit (of a mountain)	reach a point in time, or a certain state or level
	reach a destination, either real or abstract
	find unexpectedly
	to gain with effort