coarse vs inferior

coarse is not a noun while inferior is a noun.

Word	Noun	Adjective	Verb	Adverb
coarse	No	Yes	No	No
inferior	Yes	Yes	No	No

coarse (noun)	inferior (noun)
	a character or symbol set or printed or written beneath or slightly below and to the side of another character
	one of lesser rank or station or quality

coarse (adjective)	inferior (adjective)
of textures that are rough to the touch or substances consisting of relatively large particles	written or printed below and to one side of another character
of low or inferior quality or value	of or characteristic of low rank or importance
lacking refinement or cultivation or taste	of low or inferior quality
	having an orbit between the sun and the Earth's orbit
	lower than a given reference point
	falling short of some prescribed norm