displace vs roost

displace

verb
  • To put out of place; to disarrange. 

  • To move something, or someone, especially to forcibly move people from their homeland. 

  • To repress. 

  • To have a weight equal to that of the water displaced. 

  • To replace, on account of being superior to or more suitable than that which is being replaced. 

  • To supplant, or take the place of something or someone; to substitute. 

roost

verb
  • To settle on a perch in order to sleep or rest 

  • to spend the night 

noun
  • A group of birds roosting together. 

  • A tidal race. 

  • A bedroom 

  • The place where a bird sleeps (usually its nest or a branch). 

  • The inner roof of a cottage. 

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