stupefy vs baffle

stupefy is not a noun while baffle is a noun.

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

As verbs, stupefy and baffle are synonyms defined as:

Other synonyms of stupefy include amaze, beat, bewilder, dumbfound, flummox, get, gravel, mystify, nonplus, perplex, pose, puzzle, stick, vex.

stupefy (noun)	baffle (noun)
	a flat plate that controls or directs the flow of fluid or energy

stupefy (verb)	baffle (verb)
make senseless or dizzy by or as if by a blow	restrain the emission of (sound, fluid, etc.)
be a mystery or bewildering to	be a mystery or bewildering to
make dull or stupid or muddle with drunkenness or infatuation	hinder or prevent (the efforts, plans, or desires) of