Blackhad or Blackhead: How To spell?

The word Blackhad is misspelled against Blackhead, a noun meaning "The scaup duck."

Blackhead has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets blackh & d is misspelled as 'A'
Wrong Spelling:  blackh-a-d 
Correct Spelling:  blackh-ea-d 
Browse incorrect spellings of Blackhead to spell it good.

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