rarefied vs elevated

rarefied is not a noun while elevated is a noun.

Word	Noun	Adjective	Verb	Adverb
rarefied	No	Yes	No	No
elevated	Yes	Yes	No	No

As adjectives, rarefied and elevated are synonyms defined as:

rarefied and elevated: of high moral or intellectual value; elevated in nature or style

Other synonyms of rarefied include exalted, grand, high-flown, high-minded, idealistic, lofty, noble-minded, rarified, sublime.

rarefied (noun)	elevated (noun)
	a railway that is powered by electricity and that runs on a track that is raised above the street level

rarefied (adjective)	elevated (adjective)
of high moral or intellectual value; elevated in nature or style	increased in amount or degree
having low density	of high moral or intellectual value; elevated in nature or style
	raised above the ground