Undecive or Undeceive: How To spell?

The word Undecive is misspelled against Undeceive, meaning "To free from deception, as by apprising of the real state of affairs."

--> Word contains consecutive vowels 'EI' in between alphabets undec & ve is misspelled as 'I' as letter 'E' is phonetically ignore
Wrong Spelling:  undec-i-ve 
Correct Spelling:  undec-ei-ve 
Find more wrongly spelled words of Undeceive to spell it well.

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