Superesential or Superessential: How To spell?
The word Superesential is misspelled against Superessential, an adjective meaning "Essential above others, or above the constitution of a thing."
Superessential has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings supere & ential which should not be misspelled with single 'S'
Wrong Spelling:  supere-s-ential  Correct Spelling:  supere-ss-ential 
Check more misspelled words of Superessential to spell it correct.