The word Curying is misspelled against Currying, which is present continuous of "Curry"
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Currying has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings cu & ying which should not be misspelled with single 'R'
Wrong Spelling:  cu-r-ying 
Correct Spelling:  cu-rr-ying 
Check more misspelled words of Currying to spell it correct.