Dreoning or Draining: How To spell?

The word Dreoning is misspelled against Draining, a verb meaning "The art of carrying off surplus water, as from land."

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

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