baffle vs nonplus

baffle is a noun but nonplus is not a noun.

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

As verbs, baffle and nonplus are synonyms defined as:

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

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

baffle (verb)	nonplus (verb)
restrain the emission of (sound, fluid, etc.)	be a mystery or bewildering to
be a mystery or bewildering to
hinder or prevent (the efforts, plans, or desires) of