Histoheymatin or Histohaematin: How To spell?

The word Histoheymatin is misspelled against Histohaematin, a noun meaning "One of a class of respiratory pigments, widely distributed in the animal kingdom, capable of ready oxidation and reduction."

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

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