puzzler vs puzzle

puzzler and puzzle both are nouns.

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

As nouns, puzzler and puzzle are synonyms defined as:

puzzler and puzzle: a particularly baffling problem that is said to have a correct solution

Other synonyms of puzzler include mystifier, teaser.

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

puzzler (verb)	puzzle (verb)
	be a mystery or bewildering to
	be uncertain about; think about without fully understanding or being able to decide