knowing vs knowledgeable

knowing is a noun but knowledgeable is not a noun.

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

As adjectives, knowing and knowledgeable are synonyms defined as:

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

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

As adjectives, knowing and knowledgeable are synonyms defined as:

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

knowing (adjective)	knowledgeable (adjective)
highly educated; having extensive information or understanding	highly educated; having extensive information or understanding
evidencing the possession of inside information	thoroughly acquainted through study or experience
characterized by conscious design or purpose	alert and fully informed
alert and fully informed