Reengratiate or Reingratiate: How To spell?

The word Reengratiate is misspelled against Reingratiate, a verb meaning "To ingratiate again or anew."

Word contains consecutive vowels 'EI' in between alphabets r & ngratiate is misspelled as 'EE'
Wrong Spelling:  r-ee-ngratiate 
Correct Spelling:  r-ei-ngratiate 
Find more wrongly spelled words of Reingratiate to spell it well.