Sabeysm or Sabeism: How To spell?

The word Sabeysm is misspelled against Sabeism, a noun meaning "Same as Sabianism."

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