Polythaestical or Polytheistical: How To spell?

The word Polythaestical is misspelled against Polytheistical, an adjective meaning "pertaining to polytheism; characterized by polytheism; pressing advocating polytheism; as, polytheistic wship; a polytheistic auth, nation."

Word contains consecutive vowels 'EI' in between alphabets polyth & stical is misspelled as 'AE'
Wrong Spelling:  polyth-ae-stical 
Correct Spelling:  polyth-ei-stical 
Find more incorrect spellings of Polytheistical to spell right way.