MCIA stands for Manila-Cavite Expressway, a major transportation artery in the Philippines. While there are no perfect synonyms for MCIA, one could use other words to describe this expressway. Manila-Cavite Highway, Manila-Cavite Tollway, and Manila-Cavite Road are possible synonyms. However, since MCIA is an expressway, signaling that it is a high-speed, limited-access road with multiple lanes, alternatives like Manila-Cavite Freeway, Manila-Cavite Thoroughfare, and Manila-Cavite Speedway might be better choices. Other ways to refer to the Manila-Cavite Expressway are to describe its location, for instance, "the road that connects Manila and Cavite," or using the full name, "Manila-Cavite Expressway".