convenience vs free speech

convenience

noun
  • Any object that makes life more convenient; a helpful item. 

  • The quality of being convenient. 

  • A convenient time. 

verb
  • To make convenient 

free speech

noun
  • Expressions that are or should be allowed in some moral or legal context. 

  • The right to express an opinion in public without being restrained or censored. 

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