desert vs refugee

desert

verb
  • To leave one's duty or post, especially to leave a military or naval unit without permission. 

  • To leave (anything that depends on one's presence to survive, exist, or succeed), especially when contrary to a promise or obligation; to abandon; to forsake. 

noun
  • That which is deserved or merited; a just punishment or reward. 

  • A barren area of land or desolate terrain, especially one with little water or vegetation; a wasteland. 

  • Any barren place or situation. 

adj
  • Usually of a place: abandoned, deserted, or uninhabited. 

refugee

verb
  • To convey (slaves) away from the advance of the federal forces. 

noun
  • A person seeking refuge due to a natural disaster, war, etc. 

  • A person who flees one place or institution for another. 

  • A person seeking refuge in a foreign country out of fear of political persecution or the prospect of such persecution in their home country, i.e., a person seeking political asylum. 

  • A person formally granted political or economic asylum by a country other than their home country. 

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