Grening or Graining: How To spell?

The word Grening is misspelled against Graining, a noun meaning "A process in dressing leather, by which the skin is softened and the grain raised."

Word contains consecutive vowels 'AI' in between alphabets gr & ning is misspelled as 'E'
Wrong Spelling: gr-e-ning
Correct Spelling: gr-ai-ning
Find more wrongly spelled words of Graining to spell it well.