Overtred or Overtread: How To spell?

The word Overtred is misspelled against Overtread, a verb meaning "To tread over or upon."

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

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