democratic vs republican

democratic is not a noun while republican is a noun.

Word	Noun	Adjective	Verb	Adverb
democratic	No	Yes	No	No
republican	Yes	Yes	No	No

democratic (noun)	republican (noun)
	an advocate of a republic (usually in opposition to a monarchy)

democratic (adjective)	republican (adjective)
characterized by or advocating or based upon the principles of democracy or social equality	relating to or belonging to the Republican Party
representing or appealing to or adapted for the benefit of the people at large	having the supreme power lying in the body of citizens entitled to vote for officers and representatives responsible to them or characteristic of such government