Grenbacker or Greenbacker: How To spell?
The word Grenbacker is misspelled against Greenbacker, a noun meaning "One of those who supported greenback or paper money, and opposed the resumption of specie payments."
Greenbacker has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Gr & nbacker which should not be misspelled with single 'E'
Wrong Spelling:  Gr-e-nbacker  Correct Spelling:  Gr-ee-nbacker 
Explore spell check of Greenbacker to spell without errors.