The word Lesoning is misspelled against Lessoning, which is present continuous of "Lesson"
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Lessoning has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings le & oning which should not be misspelled with single 'S'
Wrong Spelling:  le-s-oning 
Correct Spelling:  le-ss-oning 
Find more incorrect spellings of Lessoning to spell right way.