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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