Doeppilation or Deoppilation: How To spell?

The word Doeppilation is misspelled against Deoppilation, a noun meaning "Removal of whatever stops up the passages."

Word contains consecutive vowels 'EO' in between alphabets d & ppilation is misspelled as 'OE'
Wrong Spelling:  d-oe-ppilation 
Correct Spelling:  d-eo-ppilation 
Find more incorrect spellings of Deoppilation to spell right way.