penurious vs poor as a church mouse

penurious

adj
  • Impoverished; wanting for money. 

  • Miserly; excessively cheap. 

  • Not bountiful; thin; scant. 

poor as a church mouse

adj
  • Very poor, to the point of starving or begging; utterly destitute. 

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