rattle off vs set out

rattle off

verb
  • To list or recite quickly. 

set out

verb
  • To explain something, or give exact details, usually in writing. 

  • To go out, leave. 

  • To position, to put in a position 

  • To start an activity with the intention of finishing it. 

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