flummox vs nonplus

flummox and nonplus both are verbs.

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

As verbs, flummox and nonplus are synonyms defined as:

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

flummox (verb)	nonplus (verb)
be a mystery or bewildering to	be a mystery or bewildering to