"Roderick the Last of the Goths" can be expressed using several synonyms. Roderick was the final king of the Visigothic kingdom, which was a significant power in Western Europe. He was known as the "Last of the Goths" because his reign marked the end of the Visigothic dominance in the region. Other synonyms that can be used to describe Roderick include "the final Visigoth ruler," "the last Gothic king," or "the ultimate Visigothic monarch." Each of these synonyms portrays Roderick's historical significance as the last great leader of the Visigoths who left a lasting impact on European history.