Untratable or Untreatable: How To spell?

The word Untratable is misspelled against Untreatable, an adjective meaning "Incapable of being treated; not practicable."

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

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