Stening or Staining: How To spell?
The word Stening is misspelled against Staining, which is present continuous of "Stain"
Word contains consecutive vowels 'AI' in between alphabets st & ning is misspelled as 'E'Wrong Spelling:  st-e-ning  Correct Spelling:  st-ai-ning 
Find more wrongly spelled words of Staining to spell it well.