Unheilth or Unhealth: How To spell?

The word Unheilth is misspelled against Unhealth, a noun meaning "Unsoundness; disease."

Unhealth has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets unh & lth is misspelled as 'EI'
Wrong Spelling:  unh-ei-lth 
Correct Spelling:  unh-ea-lth 
Find more wrongly spelled words of Unhealth to spell it well.

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