The word Greiving is misspelled against Greaving, which is present continuous of "Greave"
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Greaving has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets gr & ving is misspelled as 'EI'
Wrong Spelling:  gr-ei-ving 
Correct Spelling:  gr-ea-ving 
Find more wrongly spelled words of Greaving to spell it well.