poor vs poor relation

poor

noun
  • The poor people of a society or the world collectively, the poor class of a society. 

  • A poor person. 

verb
  • Synonym of impoverish, to make poor. 

adj
  • Deficient in a specified way. 

  • Of low quality. 

  • Inadequate, insufficient. 

  • Free from self-assertion; not proud or arrogant; meek. 

  • Used to express pity. 

  • With no or few possessions or money, particularly in relation to contemporaries who do have them. 

poor relation

noun
  • Something seen as inferior. 

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