Hemaatography or Hemautography: How To spell?

The word Hemaatography is misspelled against Hemautography, a noun meaning "The obtaining of a curve similar to a pulse curve or sphygmogram by allowing the blood from a divided artery to strike against a piece of paper."

Word contains consecutive vowels 'AU' in between alphabets hem & tography is misspelled as 'AA'
Wrong Spelling:  hem-aa-tography 
Correct Spelling:  hem-au-tography 
Find more incorrect spellings of Hemautography to spell right way.

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