mental confusion vs confusedness

mental confusion and confusedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
mental confusion	Yes	No	No	No
confusedness	Yes	No	No	No

As nouns, mental confusion and confusedness are synonyms defined as:

mental confusion and confusedness: a mental state characterized by a lack of clear and orderly thought and behavior

Other synonyms of mental confusion include confusion, disarray, muddiness.

mental confusion (noun)	confusedness (noun)
a mental state characterized by a lack of clear and orderly thought and behavior	a mental state characterized by a lack of clear and orderly thought and behavior