mare's nest vs muddle

mare's nest and muddle both are nouns.

Word	Noun	Adjective	Verb	Adverb
mare's nest	Yes	No	No	No
muddle	Yes	No	Yes	No

As nouns, mare's nest and muddle are synonyms defined as:

Other synonyms of mare's nest include clutter, fuddle, jumble, smother, welter.

mare's nest (noun)	muddle (noun)
a confused multitude of things	a confused multitude of things
	informal terms for a difficult situation

mare's nest (verb)	muddle (verb)
	mix up or confuse
	make into a puddle