smother vs welter

smother and welter both are nouns.

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

As nouns, smother and welter are synonyms defined as:

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

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

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