The word Swiper is misspelled against Swipper, an adjective meaning "Nimble; quick."
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Swipper has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings swi & er which should not be misspelled with single 'P'
Wrong Spelling:  swi-p-er 
Correct Spelling:  swi-pp-er 
Find more wrongly spelled words of Swipper to spell it well.