carry on vs freelance

carry on

verb
  • To continue, maintain or pursue (:an activity or enterprise) 

  • To act or behave; especially to misbehave so as to attract attention. 

  • To continue or proceed as before. 

  • To talk continuously about, often in an excessively excited way 

  • To have an illicit sexual or flirtatious relationship. 

  • To take baggage or luggage onto an airplane, rather than check it. 

freelance

verb
  • To produce or sell services as a freelance. 

  • To work as a freelance. 

noun
  • A medieval mercenary. 

  • Someone who sells their services to clients without a long-term employment contract. 

adj
  • Of, or relating to a freelance; without employment contract. 

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