char vs snuff

char and snuff both are nouns.

Word	Noun	Adjective	Verb	Adverb
char	Yes	No	Yes	No
snuff	Yes	Yes	Yes	No

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

Other hyponyms of char include animal black, animal charcoal, bone black, bone char.

char (noun)	snuff (noun)
any of several small trout-like fish of the genus Salvelinus	sensing an odor by inhaling through the nose
a human female employed to do housework	finely powdered tobacco for sniffing up the nose
a charred substance	a pinch of smokeless tobacco inhaled at a single time
	the charred portion of a candlewick

char (adjective)	snuff (adjective)
	snuff colored; of a greyish to yellowish brown

char (verb)	snuff (verb)
burn slightly and superficially so as to affect color	inhale (something) through the nose
burn to charcoal	sniff or smell inquiringly