invalidation vs mental process

invalidation and mental process both are nouns.

Word	Noun	Adjective	Verb	Adverb
invalidation	Yes	No	No	No
mental process	Yes	No	No	No

As nouns, mental process is a hypernym of invalidation; that is, mental process is a word with a broader meaning than invalidation:

invalidation: when a person's thoughts and feelings are rejected, ignored, or judged.
mental process: (psychology) the performance of some composite cognitive activity; an operation that affects mental contents

Other hypernyms of invalidation include cognitive operation, cognitive process, operation, process.

invalidation (noun)	mental process (noun)
(law) a formal termination (of a relationship or a judicial proceeding etc)	(psychology) the performance of some composite cognitive activity; an operation that affects mental contents
when a person's thoughts and feelings are rejected, ignored, or judged.