Dipnosophist or Deipnosophist: How To spell?

The word Dipnosophist is misspelled against Deipnosophist, a noun meaning "One of an ancient sect of philosophers, who cultivated learned conversation at meals."

Word contains consecutive vowels 'EI' in between alphabets d & pnosophist is misspelled as 'I' as letter 'E' is phonetically ig
Wrong Spelling:  d-i-pnosophist 
Correct Spelling:  d-ei-pnosophist 
Find more incorrect spellings of Deipnosophist to spell right way.