sort vs sorter

sort and sorter both are nouns.

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

sort (noun)	sorter (noun)
an approximate definition or example	a machine for sorting things (such as punched cards or letters) into classes
a category of things distinguished by some common characteristic or quality	a clerk who sorts things (as letters at the post office)
a person of a particular character or nature
an operation that segregates items into groups according to a specified criterion

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