stupefied vs stupid

stupefied is not a noun while stupid is a noun.

Word	Noun	Adjective	Verb	Adverb
stupefied	No	Yes	No	No
stupid	Yes	Yes	No	No

As adjectives, stupefied and stupid are synonyms defined as:

stupefied and stupid: in a state of mental numbness especially as resulting from shock

Other synonyms of stupefied include dazed, stunned.

stupefied (noun)	stupid (noun)
	a person who is not very bright

stupefied (adjective)	stupid (adjective)
in a state of mental numbness especially as resulting from shock	lacking or marked by lack of intellectual acuity
as if struck dumb with astonishment and surprise	lacking intelligence
	in a state of mental numbness especially as resulting from shock