alien vs émigré

alien

noun
  • One excluded from certain privileges; one alienated or estranged. 

  • Any life form of extraterrestrial or extradimensional origin. 

  • A foreigner residing in a country. 

  • A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration. 

adj
  • Not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign. 

  • Very unfamiliar, strange, or removed. 

  • Pertaining to extraterrestrial life; typical of an extraterrestrial creature. 

verb
  • To estrange; to alienate. 

  • To transfer the ownership of something. 

émigré

noun
  • An emigrant, one who departs their native land to become an immigrant in another, especially a political exile. 

  • A French person who has departed their native land, especially a royalist who left during the French Revolution. 

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