cognitive operation vs cognitive process

cognitive operation and cognitive process both are nouns.

Word	Noun	Adjective	Verb	Adverb
cognitive operation	Yes	No	No	No
cognitive process	Yes	No	No	No

As nouns, cognitive operation and cognitive process are synonyms defined as:

cognitive operation and cognitive process: (psychology) the performance of some composite cognitive activity; an operation that affects mental contents

Other synonyms of cognitive operation include mental process, operation, process.

cognitive operation (noun)	cognitive process (noun)
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents	(psychology) the performance of some composite cognitive activity; an operation that affects mental contents