Heymotachometry or Haemotachometry: How To spell?

The word Heymotachometry is misspelled against Haemotachometry, a noun meaning "Same as Haematachometry."

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

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