ruled vs subordinate

ruled is not a noun while subordinate is a noun.

Word	Noun	Adjective	Verb	Adverb
ruled	No	Yes	No	No
subordinate	Yes	Yes	Yes	No

ruled (noun)	subordinate (noun)
	a word that is more specific than a given word
	an assistant subject to the authority or control of another

ruled (adjective)	subordinate (adjective)
subject to a ruling authority	lower in rank or importance
	subject or submissive to authority or the control of another
	(of a clause) unable to stand alone syntactically as a complete sentence

ruled (verb)	subordinate (verb)
	make subordinate, dependent, or subservient
	rank or order as less important or consider of less value