Orcen or Orcein: How To spell?

The word Orcen 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 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  orc-e-n 
Correct Spelling:  orc-ei-n 
Explore spell check of Orcein to spell without errors.