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