leftist vs southpaw

leftist

noun
  • A person who holds views associated with the political left. 

  • Someone who holds socialist or communist-leaning economic views, usually alongside progressive social views; an anticapitalist. 

adj
  • Of or pertaining to the political left. 

southpaw

noun
  • One who is left-handed, especially in sports. 

  • A boxer who leads with the right hand and guards with the left 

  • A left-handed pitcher. 

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