baffle vs stupefy

baffle is a noun but stupefy is not a noun.

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

As verbs, baffle and stupefy are synonyms defined as:

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

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

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