fume vs smother

fume and smother both are nouns.

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

As nouns, smother is a hyponym of fume; that is, smother is a word with a more specific, narrower meaning than fume:

Other hyponyms of fume include gun smoke, tobacco smoke.

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

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