nonplus vs befuddle

nonplus and befuddle both are verbs.

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

As verbs, befuddle is a hypernym of nonplus; that is, befuddle is a word with a broader meaning than nonplus:

nonplus: be a mystery or bewildering to
befuddle: be confusing or perplexing to; cause to be unable to think clearly

Other hypernyms of nonplus include bedevil, confound, confuse, discombobulate, fox, fuddle, throw.

nonplus (verb)	befuddle (verb)
be a mystery or bewildering to	be confusing or perplexing to; cause to be unable to think clearly
	make stupid with alcohol