Nouns:
* Migration: The act of moving from one place to another, especially to live or work.
* Migrant: A person who moves from one place to another, especially to live or work.
* Immigrant: A person who comes to live permanently in a foreign country.
* Emigrant: A person who leaves their own country to live in another.
* Refugee: A person who has been forced to leave their home country because of war, persecution, or natural disaster.
* Exile: A person who is forced to leave their country or home.
* Diaspora: A group of people who have spread out from their original homeland.
Verbs:
* Migrate: To move from one place to another, especially to live or work.
* Emigrate: To leave one's own country to live in another.
* Immigrate: To come to live permanently in a foreign country.
Adjectives:
* Migratory: Relating to or characterized by migration.
* Immigrant: Relating to or characteristic of immigrants.
* Emigrant: Relating to or characteristic of emigrants.
Other related terms:
* Transnational: Relating to or involving more than one nation.
* Border: The line that separates two countries or regions.
* Displacement: The act of being forced to leave one's home.
Ultimately, the best word family to use depends on the specific context and the intended meaning.