inessential vs essential

inessential and essential both are nouns.

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

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

inessential (adjective)	essential (adjective)
not basic or fundamental	basic and fundamental
not absolutely necessary	defining rights and duties as opposed to giving the rules by which rights and duties are established
	being or relating to or containing the essence of a plant etc
	of the greatest importance
	absolutely necessary; vitally necessary