Exhoustion or Exhaustion: How To spell?

The word Exhoustion 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 'OU'
Wrong Spelling: exh-ou-stion
Correct Spelling: exh-au-stion
Check more misspelled words of Exhaustion to spell it correct.