befuddle vs puzzle

befuddle is not a noun while puzzle is a noun.

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

As verbs, puzzle is a hyponym of befuddle; that is, puzzle is a word with a more specific, narrower meaning than befuddle:

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

befuddle (noun)	puzzle (noun)
	a game that tests your ingenuity
	a particularly baffling problem that is said to have a correct solution

befuddle (verb)	puzzle (verb)
be confusing or perplexing to; cause to be unable to think clearly	be a mystery or bewildering to
make stupid with alcohol	be uncertain about; think about without fully understanding or being able to decide