string bass vs violin

string bass

noun
  • Synonym of double bass (“lowest-pitched of instruments of violin family”). 

violin

noun
  • Any instrument of the violin family, always inclusive of violins, violas, and cellos and sometimes further including the double bass. 

  • A small unfretted stringed instrument with four strings tuned (lowest to highest) G-D-A-E, usually held against the chin and played with a bow. 

  • The position of a violinist in an orchestra or group. 

verb
  • To play on, or as if on, a violin. 

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