commode vs lowboy

commode

noun
  • A low chest of drawers on short legs. 

  • A stand for a washbowl and jug. 

  • A toilet. 

  • A kind of woman's headdress, raising the hair and fore part of the cap to a great height. 

  • A chair containing a chamber pot. 

lowboy

noun
  • A low chest of drawers. 

  • A semi-trailer designed for hauling vehicles and other mobile equipment, with two drops in deck height: one right after the gooseneck and one right before the wheels; so named because the trailer's main deck is situated close to the ground for easy loading and unloading of vehicles and equipment. 

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