avoirdupois vs footage

avoirdupois

noun

  • The official system of weights used in the USA between 1866 and 1959. 

  • Weight; heaviness. 

  • The official system of weights used in the UK between 1856 and 1963. It had been the customary system in London since 1300. 

footage

noun

  • A measurement in feet. 

  • An amount of film or tape that has been used to record something. 

How often have the words avoirdupois and footage occurred in a corpus of books? (source: Google Ngram Viewer )