daze vs stun

daze is a noun but stun is not a noun.

Word	Noun	Adjective	Verb	Adverb
daze	Yes	No	Yes	No
stun	No	No	Yes	No

As verbs, daze and stun are synonyms defined as:

Other synonyms of daze include bedaze.

daze (noun)	stun (noun)
confusion characterized by lack of clarity
the feeling of distress and disbelief that you have when something bad happens accidentally

daze (verb)	stun (verb)
overcome as with astonishment or disbelief	make senseless or dizzy by or as if by a blow
to cause someone to lose clear vision, especially from intense light	hit something or somebody as if with a sandbag
	overcome as with astonishment or disbelief