Ganing or Gaining: How To spell?

The word Ganing is misspelled against Gaining, which is present continuous of "Gain"

Word contains consecutive vowels 'AI' in between alphabets g & ning is misspelled as 'A'
Wrong Spelling:  g-a-ning 
Correct Spelling:  g-ai-ning 
Find more wrongly spelled words of Gaining to spell it well.

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