muddiness vs mental confusion

muddiness and mental confusion both are nouns.

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

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

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

Other synonyms of muddiness include confusedness, confusion, disarray.

muddiness (noun)	mental confusion (noun)
the quality of being cloudy	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
the wetness of ground that is covered or soaked with water