knowing vs learned

knowing is a noun but learned is not a noun.

Word	Noun	Adjective	Verb	Adverb
knowing	Yes	Yes	No	No
learned	No	Yes	No	No

As adjectives, knowing and learned are synonyms defined as:

knowing and learned: highly educated; having extensive information or understanding

Other synonyms of knowing include knowledgeable, lettered, well-educated, well-read.

knowing (noun)	learned (noun)
a clear and certain mental apprehension

knowing (adjective)	learned (adjective)
highly educated; having extensive information or understanding	established by conditioning or learning
evidencing the possession of inside information	highly educated; having extensive information or understanding
characterized by conscious design or purpose	having or showing profound knowledge
alert and fully informed