Tretory or Traitory: How To spell?

The word Tretory is misspelled against Traitory, a noun meaning "Treachery."

Word contains consecutive vowels 'AI' in between alphabets tr & tory is misspelled as 'E'
Wrong Spelling:  tr-e-tory 
Correct Spelling:  tr-ai-tory 
Find more incorrect spellings of Traitory to spell right way.

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