The word Outstriping is misspelled against Outstripping, which is present continuous of "Outstrip"
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Outstripping has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings outstri & ing which should not be misspelled with single 'P'
Wrong Spelling:  outstri-p-ing 
Correct Spelling:  outstri-pp-ing 
Check more misspelled words of Outstripping to spell it correct.