The word Heymoglobin is misspelled against Haemoglobin, a noun meaning "Same as Hemoglobin."
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Haemoglobin has vowels 'ae' together mispronounced as 'ey'
Word contains consecutive vowels 'AE' in between alphabets h & moglobin is misspelled as 'EY'
Wrong Spelling:  h-ey-moglobin 
Correct Spelling:  h-ae-moglobin 
Find more incorrect spellings of Haemoglobin to spell right way.