The word Difusing is misspelled against Diffusing, which is present continuous of "Diffuse"
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Diffusing has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Di & using which should not be misspelled with single 'F'
Wrong Spelling: Di-f-using
Correct Spelling: Di-ff-using
Check more misspelled words of Diffusing to spell it correct.