Words to Describe zoroastrianism

How zoroastrianism often is described ("________ zoroastrianism")

• third
• modern
• corrupt
• original
• orthodox
• primitive
• official
• western
• late
• contemporary
• genuine
• classical
• later
• historical
• dualistic
• persian
• iranian
• pure
• medieval
• traditional
• early
• modified
• reformed
• ancient
• earlier