migrant vs nomadic

migrant

adj
  • Migratory. 

noun
  • A person who leaves one place in order to permanently settle in another. 

  • A migratory animal, in particular a migratory bird. 

  • Traveller or worker who moves from one region or country to another. 

  • Any of various pierid butterflies of the genus Catopsilia. Also called an emigrant. 

nomadic

adj
  • Of or related to any habitually wandering person or animal. 

  • Of or related to itinerant herdsmen. 

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