render vs swap out

render

verb
  • To give; to give back; to deliver. 

  • To translate into another language. 

  • To make over as a return. 

  • To capture and turn over to another country secretly and extrajudicially. 

  • To convert waste animal tissue into a usable byproduct. 

  • To cover a wall with a layer of plaster. 

  • To interpret, give an interpretation or rendition of. 

  • To have fat drip off meat from cooking. 

  • To cause to become. 

  • To pass down. 

  • To transform (a model) into a display on the screen or other media. 

  • To pass; to run; said of the passage of a rope through a block, eyelet, etc. 

  • To yield or give way. 

noun
  • One who rends. 

  • Stucco or plaster applied to walls (mostly to outside masonry walls). 

  • A digital image produced by rendering a model. 

swap out

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

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

  • 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. 

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