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