nonrepresentative vs representative

nonrepresentative is not a noun while representative is a noun.

Word	Noun	Adjective	Verb	Adverb
nonrepresentative	No	Yes	No	No
representative	Yes	Yes	No	No

nonrepresentative (noun)	representative (noun)
	an item of information that is typical of a class or group
	a person who represents others
	a member of the United States House of Representatives
	an advocate who represents someone else's policy or purpose

nonrepresentative (adjective)	representative (adjective)
not standing for something else	standing for something else
	being or characteristic of government by representation in which citizens exercise power through elected officers and representatives
	serving to represent or typify