clutter vs welter

clutter and welter both are nouns.

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

As nouns, clutter and welter are synonyms defined as:

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

clutter (noun)	welter (noun)
unwanted echoes that interfere with the observation of signals on a radar screen	a confused multitude of things
a confused multitude of things

clutter (verb)	welter (verb)
fill a space in a disorderly way	be immersed in
	roll around
	toss, roll, or rise and fall in an uncontrolled way