"Prix" is a French word meaning "price" or "cost". There are many synonyms that can be used to convey the same meaning, depending on the context. Some common synonyms for "prix" include "coût", "tarif", "montant", "somme", "frais", and "chiffre". "Coût" refers to the total expense of something, while "tarif" is a set rate for a service or product. "Montant" and "somme" both refer to the amount of money required for something, while "frais" refers to a fee or charge associated with something. "Chiffre" is a broader term referring to any numerical value, including monetary amounts.