Exhawstion or Exhaustion: How To spell?

The word Exhawstion is misspelled against Exhaustion, a noun meaning "An ancient geometrical method in which an exhaustive process was employed. It was nearly equivalent to the modern method of limits."

Word contains consecutive vowels 'AU' in between alphabets exh & stion is misspelled as 'AW'
Wrong Spelling:  exh-aw-stion 
Correct Spelling:  exh-au-stion 
Find more incorrect spellings of Exhaustion to spell right way.

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