Dathliness or Deathliness: How To spell?

The word Dathliness is misspelled against Deathliness, a noun meaning "The quality of being deathly; deadliness."

Deathliness has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets d & thliness is misspelled as 'A'
Wrong Spelling:  d-a-thliness 
Correct Spelling:  d-ea-thliness 
Find more wrongly spelled words of Deathliness to spell it well.

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