Colonization as a noun is the process of establishing a colony. while Colonialization as a noun is bringing into subjection or subjugation, and implies the subjugation or pacification of a people, and taking of a pre-populated land.
Part of speech: noun
Definition: The process of establishing a colony.
Part of speech: noun
Definition: Bringing into subjection or subjugation, and implies the subjugation or pacification of a people, and taking of a pre-populated land.
We hope you now know whether to use Colonization or Colonialization in your sentence.