Untech or Unteach: How To spell?

The word Untech is misspelled against Unteach, a verb meaning "To cause to be forgotten; as, to unteach what has been learned."

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

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