catalyze vs expedite

catalyze

verb
  • To accelerate a process. 

  • To inspire significantly by catalysis. 

  • To bring about the catalysis of a chemical reaction. 

expedite

verb
  • To accelerate the progress of. 

  • To perform (a task) fast and efficiently. 

  • To perform the duties of an expediter. 

adj
  • Expeditious; quick; prompt. 

  • Free of impediment; unimpeded. 

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