perplexity vs confusedness

perplexity and confusedness both are nouns.

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

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

perplexity: trouble or confusion resulting from complexity
confusedness: a mental state characterized by a lack of clear and orderly thought and behavior

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

perplexity (noun)	confusedness (noun)
trouble or confusion resulting from complexity	a mental state characterized by a lack of clear and orderly thought and behavior