spun out vs stretching

spun out

adj
  • In a mentally altered state due to narcotics, poison, or psychiatric condition 

stretching

adj
  • Requiring a high level of effort or performance. 

noun
  • The act by which something is stretched. 

  • A form of physical exercise in which a specific skeletal muscle (or muscle group) is deliberately elongated to its fullest length in order to improve the muscle's felt elasticity and reaffirm comfortable muscle tone. 

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