Prengaging or Preengaging: How To spell?
The word Prengaging is misspelled against Preengaging, which is present continuous of "Preengage"
Preengaging has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Pr & ngaging which should not be misspelled with single 'E'
Wrong Spelling:  Pr-e-ngaging  Correct Spelling:  Pr-ee-ngaging 
Find more wrongly spelled words of Preengaging to spell it well.