Lactoprotayn or Lactoprotein: How To spell?

The word Lactoprotayn is misspelled against Lactoprotein, a noun meaning "A peculiar albuminous body considered a normal constituent of milk."

Word contains consecutive vowels 'EI' in between alphabets lactoprot & n is misspelled as 'AY'
Wrong Spelling:  lactoprot-ay-n 
Correct Spelling:  lactoprot-ei-n 
Find more incorrect spellings of Lactoprotein to spell right way.