puzzlement vs confusedness

puzzlement and confusedness both are nouns.

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

As nouns, confusedness is a hypernym of puzzlement; that is, confusedness is a word with a broader meaning than puzzlement:

puzzlement: confusion resulting from failure to understand
confusedness: a mental state characterized by a lack of clear and orderly thought and behavior

Other hypernyms of puzzlement include confusion, disarray, mental confusion, muddiness.

puzzlement (noun)	confusedness (noun)
confusion resulting from failure to understand	a mental state characterized by a lack of clear and orderly thought and behavior