Heithendom or Heathendom: How To spell?

The word Heithendom is misspelled against Heathendom, a noun meaning "Heathenism."

Heathendom has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets h & thendom is misspelled as 'EI'
Wrong Spelling:  h-ei-thendom 
Correct Spelling:  h-ea-thendom 
Find more incorrect spellings of Heathendom to spell right way.

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