Prexistent or Preexistent: How To spell?
The word Prexistent is misspelled against Preexistent, an adjective meaning "Existing previously; preceding existence; as, a preexistent state."
Preexistent has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Pr & xistent which should not be misspelled with single 'E'
Wrong Spelling:  Pr-e-xistent  Correct Spelling:  Pr-ee-xistent 
Find more wrongly spelled words of Preexistent to spell it well.