crudeness vs roughness

crudeness and roughness both are nouns.

Word	Noun	Adjective	Verb	Adverb
crudeness	Yes	No	No	No
roughness	Yes	No	No	No

As nouns, crudeness and roughness are synonyms defined as:

crudeness (noun)	roughness (noun)
an impolite manner that is vulgar and lacking tact or refinement	harsh or severe speech or behavior
an unpolished unrefined quality	a texture of a surface or edge that is not smooth but is irregular and uneven
a wild or unrefined state	the quality of being harsh or rough or grating to the senses
	an unpolished unrefined quality
	the formation of small pits in a surface as a consequence of corrosion
	used of the sea during inclement or stormy weather
	rowdy behavior