The word Difering is misspelled against Differing, which is present continuous of "Differ"
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Differing has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Di & ering which should not be misspelled with single 'F'
Wrong Spelling:  Di-f-ering 
Correct Spelling:  Di-ff-ering 
Find more wrongly spelled words of Differing to spell it well.