Subtraisury or Subtreasury: How To spell?

The word Subtraisury is misspelled against Subtreasury, a noun meaning "A subordinate treasury, or place of deposit; as, the United States subtreasury at New York."

Subtreasury has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets subtr & sury is misspelled as 'AI'
Wrong Spelling:  subtr-ai-sury 
Correct Spelling:  subtr-ea-sury 
Check more misspelled words of Subtreasury to spell it correct.

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