protection vs welfare

protection

noun
  • The state of being safe. 

  • Coverage. 

  • A means of keeping or remaining safe. 

  • The process of keeping (something or someone) safe. 

  • An instance of a security token associated with a resource (such as a file). 

  • Restrictions on foreign competitors which limit their ability to compete with domestic producers of goods or services. 

  • A means, such as a condom, of preventing pregnancy or sexually transmitted disease. 

  • Immunity from harm, obtained by illegal payments, as bribery or extortion. 

welfare

noun
  • Health, safety, happiness and prosperity; well-being in any respect. 

  • Such payment. 

  • Various forms of financial aid provided by the government to those who are in need of it (often called welfare assistance in UK English). 

verb
  • To provide with welfare or aid. 

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