classify vs sort

classify is not a noun while sort is a noun.

Word	Noun	Adjective	Verb	Adverb
classify	No	No	Yes	No
sort	Yes	No	Yes	No

As verbs, classify and sort are synonyms defined as:

Other synonyms of classify include assort, class, separate, sort out.

classify (noun)	sort (noun)
	an approximate definition or example
	a category of things distinguished by some common characteristic or quality
	a person of a particular character or nature
	an operation that segregates items into groups according to a specified criterion

classify (verb)	sort (verb)
arrange or order by classes or categories	arrange or order by classes or categories
assign to a class or kind	examine in order to test suitability
declare unavailable, as for security reasons