physic vs placebo

physic

verb
  • To administer medicine to, especially a purgative. 

  • To cure or heal. 

adj
  • Relating to or concerning existent materials; physical. 

placebo

noun
  • The vespers sung in the office for the dead. 

  • A dummy medicine containing no active ingredients; an inert treatment. 

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