Groner or Grainer: How To spell?

The word Groner is misspelled against Grainer, a noun meaning "A knife for taking the hair off skins."

Word contains consecutive vowels 'AI' in between alphabets gr & ner is misspelled as 'O'
Wrong Spelling:  gr-o-ner 
Correct Spelling:  gr-ai-ner 
Find more incorrect spellings of Grainer to spell right way.

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