nang vs superb

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. 

superb

adj
  • Grand; magnificent; august; stately. 

  • First-rate; of the highest quality; exceptionally good. 

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