legato vs stock-still

legato

adv
  • Smoothly, in a connected manner. 

noun
  • A style of performance characterized by smoothly connected notes. 

  • A passage that is played legato. 

stock-still

adv
  • Without motion. 

adj
  • Very still; motionless. 

How often have the words legato and stock-still occurred in a corpus of books? (source: Google Ngram Viewer )