char vs coal

char and coal both are nouns.

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

As verbs, char and coal are synonyms defined as:

char (noun)	coal (noun)
any of several small trout-like fish of the genus Salvelinus	a hot fragment of wood or coal that is left from a fire and is glowing or smoldering
a human female employed to do housework	fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
a charred substance

char (verb)	coal (verb)
burn slightly and superficially so as to affect color	take in coal
burn to charcoal	supply with coal
	burn to charcoal