agile vs trembling

agile

adj
  • Having the faculty of quick motion in the limbs; apt or ready to move. 

  • Characterised by quick motion. 

  • Of or relating to agile software development, a technique for iterative and incremental development of software involving collaboration between teams. 

noun
  • Agile software development. 

trembling

noun
  • a tremble 

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