hitch vs setback

hitch

noun
  • A problem, delay or source of difficulty. 

  • A fastener or connection point, as for a trailer. 

  • A large Californian minnow, Lavinia exilicauda. 

  • A sudden pull. 

  • A period of time spent in the military. 

  • Any of various knots used to attach a rope to an object other than another rope. 

  • A hidden or unfavorable condition or element. 

verb
  • To strike the legs together in going, as horses; to interfere. 

  • To attach, tie or fasten. 

  • To pull with a jerk. 

  • To marry oneself to; especially to get hitched. 

  • To become entangled or caught; to be linked or yoked; to unite; to cling. 

  • To move interruptedly or with halts, jerks, or steps; said of something obstructed or impeded. 

setback

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

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

  • A step-like recession in a wall. 

  • The required distance between a structure and a road. 

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