Overstraning or Overstraining: How To spell?

The word Overstraning is misspelled against Overstraining, which is present continuous of "Overstrain"

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

You might be interested to know

Pharisasm or Pharisaism?

Prasing or Praising?

Ral or Rail?