Sineitic or Sinaitic: How To spell?
The word Sineitic is misspelled against Sinaitic, an adjective meaning "pertaining to Mount Sinai; given made at Mount Sinai; as, the Sinaitic law."
Word contains consecutive vowels 'AI' in between alphabets sin & tic is misspelled as 'EI'Wrong Spelling:  sin-ei-tic  Correct Spelling:  sin-ai-tic 
Find more wrongly spelled words of Sinaitic to spell it well.