noncivilized vs primitive

noncivilized is not a noun while primitive is a noun.

Word	Noun	Adjective	Verb	Adverb
noncivilized	No	Yes	No	No
primitive	Yes	Yes	No	No

noncivilized (noun)	primitive (noun)
	a word serving as the basis for inflected or derived forms
	a mathematical expression from which another expression is derived
	a person who belongs to an early stage of civilization

noncivilized (adjective)	primitive (adjective)
not having a high state of culture and social development	used of preliterate or tribal or nonindustrial societies
	of or created by one without formal training; simple or naive in style
	little evolved from or characteristic of an earlier ancestral type
	belonging to an early stage of technical development; characterized by simplicity and (often) crudeness