What are the common nouns in the last group of raiders to terrorize Western Europe we and rsquore the Vikings?

The common nouns in the phrase “the last group of raiders to terrorize Western Europe were the Vikings” include "group," "raiders," "Europe," and "Vikings." These nouns identify the subjects and locations involved in the context of Viking raids. The term "raiders" specifically refers to those engaged in pillaging, while "Vikings" denotes the specific group responsible for these actions.