Orceyn or Orcein: How To spell?

The word Orceyn is misspelled against Orcein, a noun meaning "A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus."

Word contains consecutive vowels 'EI' in between alphabets orc & n is misspelled as 'EY'
Wrong Spelling:  orc-ey-n 
Correct Spelling:  orc-ei-n 
Explore spell check of Orcein to spell without errors.