subordinate vs ruled

subordinate is a noun but ruled is not a noun.

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

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

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

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