mental process vs noesis

mental process and noesis both are nouns.

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

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

mental process: (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
noesis: the psychological result of perception and learning and reasoning

Other hypernyms of mental process include cognition, knowledge.

mental process (noun)	noesis (noun)
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents	the psychological result of perception and learning and reasoning