Prexamine or Preexamine: How To spell?
The word Prexamine is misspelled against Preexamine, a verb meaning "To examine beforehand."
Preexamine has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Pr & xamine which should not be misspelled with single 'E'
Wrong Spelling:  Pr-e-xamine  Correct Spelling:  Pr-ee-xamine 
Find more wrongly spelled words of Preexamine to spell it well.