Repid or Repaid: How To spell?

The word Repid is misspelled against Repaid, which is past tense of "Repay"

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