cheapo vs poor relation

cheapo

noun
  • A person who is stingy, a miser. 

  • A primitive trap, often set in the hope of swindling a win or draw from a losing position. 

adj
  • Inexpensive and of poor quality. 

poor relation

noun
  • Something seen as inferior. 

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