Trains, also referred to as locomotives, are one of the most common modes of transportation used globally. But did you know there are various synonyms for the word "trains"? They include trains, railroads, railways, trams, subways, undergrounds, metros, trolleys, and streetcars. These synonyms differ based on the type, size, and location of the train. Railroads and railways often refer to freight and cargo trains, while trams and subways are used to denote urban passenger trains. Regardless of their names, all trains have the same purpose - to transport people and goods from one place to another, providing a more efficient and eco-friendly mode of transportation.