The term "crudes" can have many synonyms depending on the context it is used in. For instance, in the context of oil or petroleum, "crudes" can be replaced by "crude oil," "raw oil," or "unrefined oil." In the context of raw materials or natural substances, "crudes" can be replaced by "unprocessed," "undisguised," or "rudimentary." In a social context, words such as "coarse," "vulgar," or "uncivilized" can be used as synonyms for "crudes." In the field of chemistry, "crudes" can be replaced by "impure substances," "undistilled mixtures," or "unfiltered compounds." Hence, the synonyms for "crudes" depend on the context it is used in and the meaning that needs to be conveyed.