Heliolatery
Meaning: The worship of the sun, it is a form of sun worship that has been practiced by various cultures throughout history.
Sentence: Heliolatry is often associated with ancient cultures and civilizations, such as the Egyptians, the Aztecs, and the Incas, but it has also been practiced by many other cultures throughout history.
Hellenism
Meaning: The national character or culture of Greece, especially ancient Greece.