sorting vs categorization

sorting and categorization both are nouns.

Word	Noun	Adjective	Verb	Adverb
sorting	Yes	No	No	No
categorization	Yes	No	No	No

As nouns, sorting and categorization are synonyms defined as:

sorting and categorization: the basic cognitive process of arranging into classes or categories

Other synonyms of sorting include categorisation, classification.

sorting (noun)	categorization (noun)
grouping by class or kind or size	the act of distributing things into classes or categories of the same type
the basic cognitive process of arranging into classes or categories	the basic cognitive process of arranging into classes or categories
an operation that segregates items into groups according to a specified criterion	a group of people or things arranged by class or category