learnedness vs erudition

learnedness and erudition both are nouns.

Word	Noun	Adjective	Verb	Adverb
learnedness	Yes	No	No	No
erudition	Yes	No	No	No

As nouns, learnedness and erudition are synonyms defined as:

Other synonyms of learnedness include encyclopaedism, encyclopedism, eruditeness, learning, scholarship.

learnedness (noun)	erudition (noun)
profound scholarly knowledge	profound scholarly knowledge