chop-chop vs precipitously

chop-chop

adv
  • Quickly. 

intj
  • Used to urge someone to do something quickly. 

noun
  • Tobacco that is produced and sold without excise (tax), and therefore cheap and illegal. 

precipitously

adv
  • Abruptly; quickly. 

  • At a sharp upwards angle. 

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