Heymatachometry or Haematachometry: How To spell?

The word Heymatachometry is misspelled against Haematachometry, a noun meaning "The measurement of the velocity of the blood."

Haematachometry has vowels 'ae' together mispronounced as 'ey'
Word contains consecutive vowels 'AE' in between alphabets h & matachometry is misspelled as 'EY'
Wrong Spelling:  h-ey-matachometry 
Correct Spelling:  h-ae-matachometry 
Find more incorrect spellings of Haematachometry to spell right way.

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