Retred or Retread: How To spell?

The word Retred is misspelled against Retread, a verb meaning "To tread again."

Retread has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets retr & d is misspelled as 'E'
Wrong Spelling:  retr-e-d 
Correct Spelling:  retr-ea-d 
Explore spell check of Retread to spell without errors.

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