Pharmacopoyia or Pharmacopoeia: How To spell?

The word Pharmacopoyia is misspelled against Pharmacopoeia, meaning "A book containing the formulas and methods of preparation of medicines for the use of druggists."

Word contains consecutive vowels 'EI' in between alphabets pharmacopo & a is misspelled as 'YI'
Wrong Spelling:  pharmacopo-yi-a 
Correct Spelling:  pharmacopo-ei-a 
Find more incorrect spellings of Pharmacopoeia to spell right way.