sort vs screen out

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

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

As verbs, sort and screen out are synonyms defined as:

Other synonyms of sort include screen, sieve.

sort (noun)	screen out (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

sort (verb)	screen out (verb)
arrange or order by classes or categories	examine in order to test suitability
examine in order to test suitability