Subpoenad or Subpoenaed: How To spell?

The word Subpoenad is misspelled against Subpoenaed, which is past tense of "Subpoena"

Subpoenaed has vowels 'ae' together mispronounced as 'a'
Word contains consecutive vowels 'AE' in between alphabets subpoen & d is misspelled as 'A'
Wrong Spelling:  subpoen-a-d 
Correct Spelling:  subpoen-ae-d 
Check more misspelled words of Subpoenaed to spell it correct.

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