Dereon or Derain: How To spell?

The word Dereon is misspelled against Derain, a verb meaning "To prove or to refute by proof; to clear (one's self)."

Word contains consecutive vowels 'AI' in between alphabets der & n is misspelled as 'EO'
Wrong Spelling:  der-eo-n 
Correct Spelling:  der-ai-n 
Find more incorrect spellings of Derain to spell right way.

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