Pinage or Pinnage: How To spell?
The word Pinage is misspelled against Pinnage, a noun meaning "Poundage of cattle. See Pound."
Pinnage has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings pi & age which should not be misspelled with single 'N'
Wrong Spelling:  pi-n-age  Correct Spelling:  pi-nn-age 
Find more wrongly spelled words of Pinnage to spell it well.