pull out vs undertake

pull out

verb
  • To maneuver a vehicle from the side of a road onto the lane. 

  • To draw out or lengthen. 

  • To use coitus interruptus as a method of birth control. 

  • To remove something from a container. 

  • To withdraw; especially of military forces; to retreat. 

  • To transition from a dive to level or climbing flight. 

  • Used other than figuratively or idiomatically: see pull, out. 

undertake

verb
  • To pass a slower moving vehicle on the curbside rather than on the side closest to oncoming traffic. 

  • To commit oneself (to an obligation, activity etc.). 

  • To take upon oneself; to start, to embark on (a specific task etc.). 

noun
  • The passing of slower traffic on the curbside rather than on the side closest to oncoming traffic. 

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