Reoning or Raining: How To spell?

The word Reoning is misspelled against Raining, which is present continuous of "Rain"

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

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