muddle vs clutter

muddle and clutter both are nouns.

Word	Noun	Adjective	Verb	Adverb
muddle	Yes	No	Yes	No
clutter	Yes	No	Yes	No

As nouns, muddle and clutter are synonyms defined as:

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

muddle (noun)	clutter (noun)
a confused multitude of things	unwanted echoes that interfere with the observation of signals on a radar screen
informal terms for a difficult situation	a confused multitude of things

muddle (verb)	clutter (verb)
mix up or confuse	fill a space in a disorderly way
make into a puddle