cello vs ensemble

cello

noun
  • A large unfretted stringed instrument of the violin family with four strings tuned (lowest to highest) C-G-D-A and an endpin to support its weight, usually played with a bow. 

  • cellophane 

ensemble

noun
  • A piece for several instrumentalists or vocalists. 

  • A group of separate things that contribute to a coordinated whole. 

  • A supervised learning algorithm combining multiple hypotheses. 

  • A coordinated costume or outfit; a suit. 

  • A group of musicians, dancers, actors, etc who perform together; e.g. the chorus of a ballet company. 

  • A probability distribution for the state of the system. 

verb
  • To put together in a coordinated whole. 

  • To perform in a musical ensemble. 

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