found vs on the rocks

found

noun
  • A thin, single-cut file for comb-makers. 

verb
  • To form by melting a metal and pouring it into a mould; to cast. 

  • To melt, especially of metal in an industrial setting. 

  • To begin building. 

  • To start (an institution or organization). 

on the rocks

prep
  • Poured over ice, usually in reference to alcoholic drinks. 

  • In a bad state, particularly of a romantic relationship. 

How often have the words found and on the rocks occurred in a corpus of books? (source: Google Ngram Viewer )