Outstriping or Outstripping: How To spell?
The word Outstriping is misspelled against Outstripping, which is present continuous of "Outstrip"
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.