grease vs swap out

grease

verb
  • To bribe. 

  • To kill, murder. 

  • To cause to go easily; to facilitate. 

  • To affect (a horse) with grease, the disease. 

  • To perform a landing extraordinarily smoothly. 

  • To put grease or fat on something, especially in order to lubricate. 

noun
  • Any oily or fatty matter. 

  • Shorn but not yet cleansed wool. 

  • bribe money. 

  • Inflammation of a horse's heels, also known as scratches or pastern dermatitis. 

  • Animal fat in a melted or soft state. 

swap out

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

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

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

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 grease and swap out occurred in a corpus of books? (source: Google Ngram Viewer )