essential vs essence

essential and essence both are nouns.

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

essential (noun)	essence (noun)
anything indispensable	a toiletry that emits and diffuses a fragrant odor
	the choicest or most essential or most vital part of some idea or experience
	the central meaning or theme of a speech or literary work
	any substance possessing to a high degree the predominant properties of a plant or drug or other natural product from which it is extracted

essential (adjective)	essence (adjective)
basic and fundamental
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