crudity vs rudeness

crudity and rudeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
crudity	Yes	No	No	No
rudeness	Yes	No	No	No

As nouns, crudity and rudeness are synonyms defined as:

Other synonyms of crudity include crudeness, primitiveness, primitivism.

crudity (noun)	rudeness (noun)
an impolite manner that is vulgar and lacking tact or refinement	a manner that is rude and insulting
a wild or unrefined state	a wild or unrefined state