farthing vs underslip

farthing

noun
  • Former British unit of currency worth one-quarter of an old penny; or a coin representing this. 

  • A very small quantity or value; the least possible amount. 

underslip

noun
  • A woman's undergarment. 

  • An underlying layer of slip. 

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