Caseec or Caseic: How To spell?

The word Caseec is misspelled against Caseic, an adjective meaning "pertaining to cheese; as, caseic acid."

Word contains consecutive vowels 'EI' in between alphabets cas & c is misspelled as 'EE'
Wrong Spelling:  cas-ee-c 
Correct Spelling:  cas-ei-c 
Explore spell check of Caseic to spell without errors.