Disaising or Diseasing: How To spell?

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

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

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