hastening vs setback

hastening

noun
  • The act of speeding up; a growing faster. 

setback

noun
  • An offset to the temperature setting of a thermostat to cover a period when more or less heating is required than usual. 

  • An obstacle, delay, disadvantage, blow (an adverse event which retards or prevents progress towards a desired outcome) 

  • A step-like recession in a wall. 

  • The required distance between a structure and a road. 

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