Thratener or Threatener: How To spell?

The word Thratener is misspelled against Threatener, a noun meaning "One who threatens."

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

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