batten vs swap out

batten

verb
  • To feed (on); to revel (in). 

  • To furnish with battens. 

  • To fasten or secure a hatch etc using battens. 

  • To thrive by feeding; grow fat; feed oneself gluttonously. 

  • To fertilize or enrich, as land. 

  • To improve by feeding; fatten; make fat or cause to thrive due to plenteous feeding. 

  • To thrive, prosper, or live in luxury, especially at the expense of others; fare sumptuously. 

  • To gratify a morbid appetite or craving; gloat. 

  • To become better; improve in condition, especially by feeding. 

noun
  • A thin strip of wood used in construction to hold members of a structure together or to provide a fixing point. 

  • A long strip of wood, metal, fibreglass etc., used for various purposes aboard ship, especially one inserted in a pocket sewn on the sail in order to keep the sail flat. 

  • The movable bar of a loom, which strikes home or closes the threads of a woof. 

  • In stagecraft, a long pipe, usually metal, affixed to the ceiling or fly system in a theater. 

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