Flathed or Flathead: How To spell?

The word Flathed is misspelled against Flathead, a noun meaning "A Chinook Indian. See Chinook, n., 1."

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

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