shipping vs steerage

shipping

noun
  • Passage or transport on a ship. 

  • The transportation of goods. 

  • The body of ships belonging to one nation, port or industry; ships collectively. 

  • Navigation. 

  • The cost of sending an item or package via postal services. 

steerage

noun
  • The effect of the helm on a ship. 

  • The section of a passenger ship that provided inexpensive accommodation with no individual cabins. 

  • The art of steering. 

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