conqueror vs conquer

conqueror is a noun but conquer is not a noun.

Word	Noun	Adjective	Verb	Adverb
conqueror	Yes	No	No	No
conquer	No	No	Yes	No

conqueror (noun)	conquer (noun)
someone who is victorious by force of arms

conqueror (verb)	conquer (verb)
	bring under control by force or authority
	overcome by conquest
	take possession of by force, as after an invasion