baronial vs noble

baronial is not a noun while noble is a noun.

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

As adjectives, baronial and noble are synonyms defined as:

Other synonyms of baronial include imposing, stately.

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

baronial (adjective)	noble (adjective)
impressive in size, manner, or appearance	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