coarse vs harsh

coarse and harsh both are adjectives.

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

As adjectives, coarse and harsh are synonyms defined as:

coarse and harsh: of textures that are rough to the touch or substances consisting of relatively large particles

coarse (adjective)	harsh (adjective)
of textures that are rough to the touch or substances consisting of relatively large particles	of textures that are rough to the touch or substances consisting of relatively large particles
of low or inferior quality or value	sharply disagreeable; rigorous
lacking refinement or cultivation or taste	severe
	unkind or cruel or uncivil
	unpleasantly stern
	unpleasantly rough or jarring to the senses