Northern vs sociable

Northern

noun
  • a steam locomotive of the 4-8-4 wheel arrangement. 

name
  • A surname. 

  • The Northern Line of the London Underground. 

adj
  • Characteristic of the North of England (usually capitalised). 

sociable

noun
  • A four-wheeled open carriage with seats facing each other. 

  • A couch with a curved S-shaped back. 

  • An informal party or church meeting for purposes of socializing. 

  • A bicycle or tricycle for two persons side by side. 

  • A sociable person. 

adj
  • Tending to socialize or be social. 

  • Offering opportunities for conversation; characterized by much conversation. 

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