a pound to a penny vs liable

a pound to a penny

adv
  • Very likely; almost certainly. 

liable

adj
  • exposed to a certain contingency or causality, more or less probable. 

  • bound or obliged in law or equity; responsible; answerable. 

  • subject; susceptible. 

  • likely. 

How often have the words a pound to a penny and liable occurred in a corpus of books? (source: Google Ngram Viewer )