insolvent vs poor as a church mouse

insolvent

adj
  • Unable to pay one's bills as they fall due. 

  • Not sufficient to pay all the debts of the owner. 

  • Owing more than one has in assets. 

noun
  • One who is insolvent; an insolvent debtor. 

poor as a church mouse

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

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