first-rate vs nang

first-rate

adj
  • Superb, exceptional; of the best sort; very high quality. 

  • Of a Royal Navy ship of the line in the Napoleonic Era: having at least 100 guns across three gun decks, a complement of 850–875, and weighing approximately 2,500 tons burthen. 

noun
  • A first-rate ship of the line. 

nang

adj
  • excellent; awesome; masterful; deeply satisfying. 

noun
  • A metal bulb filled with nitrous oxide gas, inhaled for its disassociative effects, normally intended as a propellant for whipped cream. 

How often have the words first-rate and nang occurred in a corpus of books? (source: Google Ngram Viewer )