categorisation vs compartmentalisation

categorisation and compartmentalisation both are nouns.

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

As nouns, categorisation and compartmentalisation are synonyms defined as:

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

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

categorisation (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