The word Offseting is misspelled against Offsetting, which is present continuous of "Offset"
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Offsetting has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings offse & ing which should not be misspelled with single 'T'
Wrong Spelling:  offse-t-ing 
Correct Spelling:  offse-tt-ing 
Find more wrongly spelled words of Offsetting to spell it well.