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