Prepid or Prepaid: How To spell?

The word Prepid is misspelled against Prepaid, which is past tense of "Prepay"

Word contains consecutive vowels 'AI' in between alphabets prep & d is misspelled as 'I'
Wrong Spelling:  prep-i-d 
Correct Spelling:  prep-ai-d 
Find more wrongly spelled words of Prepaid to spell it well.

You might be interested to know

Rilleur or Railleur?

Reobtin or Reobtain?

Silable or Sailable?