Unbespak or Unbespeak: How To spell?

The word Unbespak is misspelled against Unbespeak, a verb meaning "To unsay; hence, to annul or cancel."

Unbespeak has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets unbesp & k is misspelled as 'A'
Wrong Spelling:  unbesp-a-k 
Correct Spelling:  unbesp-ea-k 
Explore spell check of Unbespeak to spell without errors.

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