inferior vs coarse

inferior is a noun but coarse is not a noun.

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

inferior (noun)	coarse (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

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