stupefy vs stun

stupefy and stun both are verbs.

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

As verbs, stupefy and stun are synonyms defined as:

stupefy (verb)	stun (verb)
make senseless or dizzy by or as if by a blow	make senseless or dizzy by or as if by a blow
be a mystery or bewildering to	hit something or somebody as if with a sandbag
make dull or stupid or muddle with drunkenness or infatuation	overcome as with astonishment or disbelief