Overpiad or Overpaid: How To spell?

The word Overpiad is misspelled against Overpaid, which is past tense of "Overpay"

Word contains consecutive vowels 'AI' in between alphabets overp & d is misspelled as 'IA'
Wrong Spelling:  overp-ia-d 
Correct Spelling:  overp-ai-d 
Find more wrongly spelled words of Overpaid to spell it well.

You might be interested to know

Penetrial or Penetrail?

Priaseer or Praiseer?

Racktial or Racktail?