nest vs retreat

nest

noun
  • A fortified position for a weapon. 

  • An aggregated mass of any ore or mineral, in an isolated state, within a rock. 

  • A home that a child or young adult shares with a parent or guardian. 

  • A structure built by a bird as a place to incubate eggs and rear young. 

  • A collection of boxes, cases, or the like, of graduated size, each put within the one next larger. 

  • A compact group of pulleys, gears, springs, etc., working together or collectively. 

  • The pubic hair near a vulva or a vulva itself. 

  • A circular bed of pasta, rice, etc. to be topped or filled with other foods. 

  • A snug, comfortable, or cosy residence or job situation. 

  • A structure consisting of nested structures, such as nested loops or nested subroutine calls. 

  • A retreat, or place of habitual resort. 

  • A hideout for bad people to frequent or haunt; a den. 

  • A place used by another mammal, fish, amphibian or insect, for depositing eggs and hatching young. 

  • A fixed number of cards in some bidding games awarded to the highest bidder allowing him to exchange any or all with cards in his hand. 

verb
  • To successively neatly fit inside another. 

  • To place one thing neatly inside another, and both inside yet another (and so on). 

  • To build or settle into a nest. 

  • To hunt for birds' nests or their contents (usually "go nesting"). 

  • To settle into a home. 

  • To place in, or as if in, a nest. 

retreat

noun
  • The move of a piece from a threatened position. 

  • A peaceful, quiet place affording privacy or security. 

  • The act of reversing direction and receding from a forward position. 

  • A bugle call or drumbeat signaling the lowering of the flag at sunset, as on a military base. 

  • A military ceremony to lower the flag. 

  • A period of retirement, seclusion, or solitude. 

  • A period of meditation, prayer or study. 

  • The act of pulling back or withdrawing, as from something dangerous, or unpleasant. 

  • A signal for a military withdrawal. 

  • Withdrawal by military force from a dangerous position or from enemy attack. 

verb
  • To slope back. 

  • To withdraw military forces 

  • To shrink back due to generally warmer temperatures. 

  • To withdraw from a position, go back. 

  • a retreating forehead 

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