welter vs smother

welter and smother both are nouns.

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

As nouns, welter and smother are synonyms defined as:

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

welter (noun)	smother (noun)
a confused multitude of things	a stifling cloud of smoke
	a confused multitude of things

welter (verb)	smother (verb)
be immersed in	deprive of oxygen and prevent from breathing
roll around	suppress in order to conceal or hide
toss, roll, or rise and fall in an uncontrolled way	envelop completely
	deprive of the oxygen necessary for combustion
	form an impenetrable cover over