eruditeness vs learnedness

eruditeness and learnedness both are nouns.

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

As nouns, eruditeness and learnedness are synonyms defined as:

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

eruditeness (noun)	learnedness (noun)
profound scholarly knowledge	profound scholarly knowledge