Prexistimation or Preexistimation: How To spell?
The word Prexistimation is misspelled against Preexistimation, a noun meaning "Previous esteem or estimation."
Preexistimation has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Pr & xistimation which should not be misspelled with single 'E'
Wrong Spelling:  Pr-e-xistimation  Correct Spelling:  Pr-ee-xistimation 
Find more incorrect spellings of Preexistimation to spell right way.