stereotype vs sort out

stereotype is a noun but sort out is not a noun.

Word	Noun	Adjective	Verb	Adverb
stereotype	Yes	No	Yes	No
sort out	No	No	Yes	No

As verbs, sort out is a hypernym of stereotype; that is, sort out is a word with a broader meaning than stereotype:

Other hypernyms of stereotype include assort, class, classify, separate, sort.

stereotype (noun)	sort out (noun)
a conventional or formulaic conception or image

stereotype (verb)	sort out (verb)
treat or classify according to a mental stereotype	arrange or order by classes or categories
	make free from confusion or ambiguity; make clear
	punish in order to gain control or enforce obedience