The term 'Evian Competitor' can be answered by four different crossword solutions: NAYA (4 letters), DASANI (6 letters), FIJI (4 letters), and PERRIER (7 letters). NAYA is a brand of bottled water owned by Nestle, while DASANI is a brand of bottled water owned by The Coca-Cola Company. FIJI is a brand of bottled water sourced from the Yaqara Valley in Fiji, and PERRIER is a brand of carbonated mineral water sourced from Vergèze in France. All four brands are competitors to Evian, which is a brand of bottled water sourced from Évian-les-Bains in France.