delineate vs rattle off

delineate

verb
  • To outline or mark out. 

  • To describe or depict with words or gestures. 

  • To depict, represent with pictures. 

  • To sketch out, draw or trace an outline. 

rattle off

verb
  • To list or recite quickly. 

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