The word Disesing is misspelled against Diseasing, which is present continuous of "Disease"
-->
Diseasing has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets dis & sing is misspelled as 'E'
Wrong Spelling:  dis-e-sing 
Correct Spelling:  dis-ea-sing 
Find more wrongly spelled words of Diseasing to spell it well.