Tritheastical or Tritheistical: How To spell?

The word Tritheastical is misspelled against Tritheistical, an adjective meaning "pertaining to tritheism."

Word contains consecutive vowels 'EI' in between alphabets trith & stical is misspelled as 'EA'
Wrong Spelling:  trith-ea-stical 
Correct Spelling:  trith-ei-stical 
Find more wrongly spelled words of Tritheistical to spell it well.