categorization vs compartmentalisation

categorization and compartmentalisation both are nouns.

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

As nouns, categorization and compartmentalisation are synonyms defined as:

categorization and compartmentalisation: the act of distributing things into classes or categories of the same type

Other synonyms of categorization include assortment, categorisation, classification, compartmentalization.

categorization (noun)	compartmentalisation (noun)
the act of distributing things into classes or categories of the same type	the act of distributing things into classes or categories of the same type
the basic cognitive process of arranging into classes or categories	a mild state of dissociation
a group of people or things arranged by class or category