The word Cuper is misspelled against Cupper, a noun meaning "One who performs the operation of cupping."
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Cupper has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings cu & er which should not be misspelled with single 'P'
Wrong Spelling:  cu-p-er 
Correct Spelling:  cu-pp-er 
Check more misspelled words of Cupper to spell it correct.