rudeness vs primitivism

rudeness and primitivism both are nouns.

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

As nouns, rudeness and primitivism are synonyms defined as:

Other synonyms of rudeness include crudeness, crudity, primitiveness.

rudeness (noun)	primitivism (noun)
a manner that is rude and insulting	a genre characteristic of (or imitative of) primitive artists or children
a wild or unrefined state	a wild or unrefined state