niggerization

noun2

1. •
   (offensive) The usually systematic act of dehumanizing people, especially black people.

   • The basic goals of niggerization were to promote white greed and hatred […] — 2008
2. •
   (offensive) The act or process of exposing or subjecting to black people or their influence.

   • The reply was to call the republicans the party of "taxation and niggerization," as J. Sterling Morton named them in the Nebraska City News. — 1904