Graived or Greaved: How To spell?

The word Graived is misspelled against Greaved, which is past tense of "Greave"

Greaved has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets gr & ved is misspelled as 'AI'
Wrong Spelling:  gr-ai-ved 
Correct Spelling:  gr-ea-ved 
Find more wrongly spelled words of Greaved to spell it well.

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