rake and scrape vs tighten one's belt

rake and scrape

noun
  • A type of traditional Bahamian folk music, characterized by a reliance on improvised musical instruments, such as a ripsaw. 

tighten one's belt

verb
  • To be more frugal; to make difficult economic savings due to a lowering of expected income. 

How often have the words rake and scrape and tighten one's belt occurred in a corpus of books? (source: Google Ngram Viewer )