titled vs noble

titled is not a noun while noble is a noun.

Word	Noun	Adjective	Verb	Adverb
titled	No	Yes	No	No
noble	Yes	Yes	No	No

titled (noun)	noble (noun)
	a titled peer of the realm

titled (adjective)	noble (adjective)
belonging to the peerage	having or showing or indicative of high or elevated character
	of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times
	impressive in size, manner, or appearance
	inert especially toward oxygen