Lardacayn or Lardacein: How To spell?

The word Lardacayn is misspelled against Lardacein, a noun meaning "A peculiar amyloid substance, colored blue by iodine and sulphuric acid, occurring mainly as an abnormal infiltration into the spleen, liver, etc."

Word contains consecutive vowels 'EI' in between alphabets lardac & n is misspelled as 'AY'
Wrong Spelling:  lardac-ay-n 
Correct Spelling:  lardac-ei-n 
Browse incorrect spellings of Lardacein to spell it good.