racialism

noun3

1. •
   The belief that humans can be categorized as belonging to distinct races, each race being characterized by fixed and heritable traits.

   • Yet such racialism was built upon the data of philology, inferring discrete racial groups from different speech varieties. — 2020
2. •
   Racism, the belief in the existence of different races and that some are superior to others; policies or practices which promote the dominance of one or more races over others.
3. •
   (UK, old-fashioned) Tribalism, nationalism.