mess vs mussiness

mess and mussiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
mess	Yes	No	Yes	No
mussiness	Yes	No	No	No

As nouns, mess and mussiness are synonyms defined as:

Other synonyms of mess include messiness, muss.

mess (noun)	mussiness (noun)
a (large) military dining room where service personnel eat or relax	a state of confusion and disorderliness
a meal eaten in a mess hall by service personnel
soft semiliquid food
(often followed by `of') a large number or amount or extent
a state of confusion and disorderliness
informal terms for a difficult situation

mess (verb)	mussiness (verb)
make a mess of or create disorder in
eat in a mess hall