unknowing vs ignorant

unknowing is a noun but ignorant is not a noun.

Word	Noun	Adjective	Verb	Adverb
unknowing	Yes	Yes	No	No
ignorant	No	Yes	No	No

As adjectives, unknowing and ignorant are synonyms defined as:

unknowing and ignorant: unaware because of a lack of relevant information or knowledge

Other synonyms of unknowing include unknowledgeable, unwitting.

unknowing (noun)	ignorant (noun)
ignorance (especially of orthodox beliefs)

unknowing (adjective)	ignorant (adjective)
unaware because of a lack of relevant information or knowledge	unaware because of a lack of relevant information or knowledge
	uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field
	uneducated in general; lacking knowledge or sophistication