daze vs mental confusion

daze and mental confusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
daze	Yes	No	Yes	No
mental confusion	Yes	No	No	No

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

daze: confusion characterized by lack of clarity
mental confusion: a mental state characterized by a lack of clear and orderly thought and behavior

Other hypernyms of daze include confusedness, confusion, disarray, muddiness.

daze (noun)	mental confusion (noun)
confusion characterized by lack of clarity	a mental state characterized by a lack of clear and orderly thought and behavior
the feeling of distress and disbelief that you have when something bad happens accidentally

daze (verb)	mental confusion (verb)
overcome as with astonishment or disbelief
to cause someone to lose clear vision, especially from intense light