Esential or Essential: How To spell?
The word Esential is misspelled against Essential, an adjective meaning "Belonging to the essence, or that which makes an object, or class of objects, what it is."
Essential has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings e & ential which should not be misspelled with single 'S'
Wrong Spelling:  e-s-ential  Correct Spelling:  e-ss-ential 
Find more wrongly spelled words of Essential to spell it well.