Rubberise is a word that has multiple synonyms that can be used interchangeably to convey the same meaning. Some of these synonyms include: rubberize, vulcanize, seal, waterproof, coat, and cover. Each word has a slightly different implication, but they all involve the application of a rubber-like substance to a surface. Rubberise, for example, implies the process of making something rubber-like, whereas vulcanize refers to the process of hardening rubber. Seal and waterproof refer to the process of protecting a surface from water damage, while coat and cover imply the application of a top layer to a surface for protection or added texture. Regardless of the specific synonym used, the overall meaning remains the same - the act of covering or treating a surface with a rubber-like substance for a particular purpose.