welter vs muddle

welter and muddle both are nouns.

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

As nouns, welter and muddle are synonyms defined as:

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

welter (noun)	muddle (noun)
a confused multitude of things	a confused multitude of things
	informal terms for a difficult situation

welter (verb)	muddle (verb)
be immersed in	mix up or confuse
roll around	make into a puddle
toss, roll, or rise and fall in an uncontrolled way