Disasing or Diseasing: How To spell?

The word Disasing is misspelled against Diseasing, which is present continuous of "Disease"

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

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