inessential vs nonessential

inessential and nonessential both are nouns.

Word	Noun	Adjective	Verb	Adverb
inessential	Yes	Yes	No	No
nonessential	Yes	Yes	No	No

As nouns, inessential and nonessential are synonyms defined as:

inessential (noun)	nonessential (noun)
anything that is not essential	anything that is not essential

inessential (adjective)	nonessential (adjective)
not basic or fundamental	not of prime or central importance
not absolutely necessary