knowing vs well-read

knowing is a noun but well-read is not a noun.

Word	Noun	Adjective	Verb	Adverb
knowing	Yes	Yes	No	No
well-read	No	Yes	No	No

As adjectives, knowing and well-read are synonyms defined as:

knowing and well-read: highly educated; having extensive information or understanding

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

knowing (noun)	well-read (noun)
a clear and certain mental apprehension

knowing (adjective)	well-read (adjective)
highly educated; having extensive information or understanding	highly educated; having extensive information or understanding
evidencing the possession of inside information	well informed or deeply versed through reading
characterized by conscious design or purpose
alert and fully informed