The word Hamatemesis is misspelled against Haematemesis, a noun meaning "Same as Hematemesis."
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Haematemesis has vowels 'ae' together mispronounced as 'a'
Word contains consecutive vowels 'AE' in between alphabets h & matemesis is misspelled as 'A'
Wrong Spelling:  h-a-matemesis 
Correct Spelling:  h-ae-matemesis 
Find more wrongly spelled words of Haematemesis to spell it well.