Haithenized or Heathenized: How To spell?

The word Haithenized is misspelled against Heathenized, which is past tense of "Heathenize"

Heathenized has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets h & thenized is misspelled as 'AI'
Wrong Spelling:  h-ai-thenized 
Correct Spelling:  h-ea-thenized 
Find more wrongly spelled words of Heathenized to spell it well.

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