debt-free vs insolvent

debt-free

adj
  • Free of debt, not owing any money. 

insolvent

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

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

  • Owing more than one has in assets. 

noun
  • One who is insolvent; an insolvent debtor. 

How often have the words debt-free and insolvent occurred in a corpus of books? (source: Google Ngram Viewer )