Lardacean or Lardacein: How To spell?

The word Lardacean 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 'EA'
Wrong Spelling:  lardac-ea-n 
Correct Spelling:  lardac-ei-n 
Explore spell check of Lardacein to spell without errors.