Trithyist or Tritheist: How To spell?

The word Trithyist is misspelled against Tritheist, a noun meaning "One who believes in tritheism."

Word contains consecutive vowels 'EI' in between alphabets trith & st is misspelled as 'YI'
Wrong Spelling:  trith-yi-st 
Correct Spelling:  trith-ei-st 
Find more wrongly spelled words of Tritheist to spell it well.