Copin or Coppin: How To spell?
The word Copin is misspelled against Coppin, a noun meaning "A cop of thread."
Coppin has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings co & in which should not be misspelled with single 'P'
Wrong Spelling:  co-p-in  Correct Spelling:  co-pp-in 
Find more incorrect spellings of Coppin to spell right way.