Herd or Heard: How To spell?

The word Herd is misspelled against Heard, which is past tense of "Hear"

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

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