commodity vs job lot

commodity

noun
  • Anything movable (a good) that is bought and sold. 

  • Raw materials, agricultural and other primary products as objects of large-scale trading in specialized exchanges. 

  • Undifferentiated goods characterized by a low profit margin, as distinguished from branded products. 

  • Anything which has both a use-value and an exchange-value. 

  • Something useful or valuable. 

job lot

noun
  • A quantity of miscellaneous items sold together. 

  • A large quantity of cheap items. 

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