Panthesm or Pantheism: How To spell?

The word Panthesm is misspelled against Pantheism, meaning "The worship of nature for itself or its beauty."

Word contains consecutive vowels 'EI' in between alphabets panth & sm is misspelled as 'E' as letter 'I' is phonetically ignore
Wrong Spelling:  panth-e-sm 
Correct Spelling:  panth-ei-sm 
Explore spell check of Pantheism to spell without errors.