smother vs fume

smother and fume both are nouns.

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

As nouns, fume is a hypernym of smother; that is, fume is a word with a broader meaning than smother:

Other hypernyms of smother include smoke.

smother (noun)	fume (noun)
a stifling cloud of smoke	a cloud of fine particles suspended in a gas
a confused multitude of things

smother (verb)	fume (verb)
deprive of oxygen and prevent from breathing	be wet with sweat or blood, as of one's face
suppress in order to conceal or hide	be mad, angry, or furious
envelop completely	treat with fumes, expose to fumes, especially with the aim of disinfecting or eradicating pests
deprive of the oxygen necessary for combustion	emit a cloud of fine particles
form an impenetrable cover over