sake vs welfare

sake

noun
  • the benefit or regard of someone or something 

  • purpose or end; reason 

  • contention, strife; guilt, sin, accusation or charge 

  • cause, interest or account 

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 sake and welfare occurred in a corpus of books? (source: Google Ngram Viewer )