swap out vs turn over

swap out

verb
  • To transfer (memory contents) into a swap file. 

  • To exchange (something) for (something else). (usually followed by with or for) 

  • To exchange (something or someone) for an unused (or less-used) equivalent. 

noun
  • Anything that is swapped out for another; an exchange. 

  • A pre-prepared food item used in place of an unfinished food item in order to cut down the overall preparation time during filming. 

turn over

verb
  • To transfer. 

  • To cause extensive disturbance or disruption to (a room, storage place, etc.), e.g. while searching for an item, or ransacking a property. 

  • Used other than figuratively or idiomatically: see turn, over. 

  • To generate (a certain amount of money from sales). 

  • To spin the crankshaft of an internal combustion engine using the starter or hand crank in an attempt to make it run. 

  • To mull, ponder 

  • To produce, complete, or cycle through. 

  • To flip over; to rotate uppermost to bottom. 

  • To give up control (of the ball and thus the ability to score). 

  • To relinquish; give back. 

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