The word Sesawing is misspelled against Seesawing, which is present continuous of "Seesaw"
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Seesawing has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings S & sawing which should not be misspelled with single 'E'
Wrong Spelling:  S-e-sawing 
Correct Spelling:  S-ee-sawing 
Find more wrongly spelled words of Seesawing to spell it well.