aid vs welfare

aid

verb
  • To provide support to; to further the progress of; to help; to assist. 

  • To climb with the use of aids such as pitons. 

noun
  • Help; assistance; succor, relief. 

  • An historical subsidy granted to the crown by Parliament for an extraordinary purpose, such as a war effort. 

  • A helper; an assistant. 

  • An exchequer loan. 

  • Something which helps; a material source of help. 

  • A pecuniary tribute paid by a vassal to his feudal lord on special occasions. 

  • The rider's use of hands, legs, voice, etc. to control the horse. 

welfare

verb
  • To provide with welfare or aid. 

noun
  • Such payment. 

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

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

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