noble vs monarchal

noble is a noun but monarchal is not a noun.

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

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

noble (adjective)	monarchal (adjective)
having or showing or indicative of high or elevated character	having the characteristics of or befitting or worthy of a monarch
of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times	ruled by or having the supreme power resting with a monarch
impressive in size, manner, or appearance
inert especially toward oxygen