Cornopain or Cornopean: How To spell?

The word Cornopain is misspelled against Cornopean, a noun meaning "An obsolete name for the cornet-a-piston."

Cornopean has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets cornop & n is misspelled as 'AI'
Wrong Spelling:  cornop-ai-n 
Correct Spelling:  cornop-ea-n 
Find more incorrect spellings of Cornopean to spell right way.

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