burnout vs freshness

burnout

noun
  • The experience of long-term exhaustion and diminished interest, especially in one's career. 

  • A marijuana addict; one whose brains have been burned out. 

  • The failure of an electrical device, usually through overheating due to the application of excessive power. 

  • Use of the throttle to spin the wheels of a vehicle being held stationary, causing the spinning tires to produce smoke and burn rubber. 

  • The shutoff of a rocket motor following the complete exhaustion of its fuel supply, or having been irreversibly throttled after the application of a planned delta-v. 

freshness

noun
  • The state or quality of being fresh. 

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