confound vs puzzle

confound is not a noun while puzzle is a noun.

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

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

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

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

confound (verb)	puzzle (verb)
mistake one thing for another	be a mystery or bewildering to
be confusing or perplexing to; cause to be unable to think clearly	be uncertain about; think about without fully understanding or being able to decide