puzzlement vs bewilderment

puzzlement and bewilderment both are nouns.

Word	Noun	Adjective	Verb	Adverb
puzzlement	Yes	No	No	No
bewilderment	Yes	No	No	No

As nouns, puzzlement and bewilderment are synonyms defined as:

puzzlement and bewilderment: confusion resulting from failure to understand

Other synonyms of puzzlement include bafflement, befuddlement, bemusement, mystification, obfuscation.

puzzlement (noun)	bewilderment (noun)
confusion resulting from failure to understand	confusion resulting from failure to understand