Boxcars rhymes with:
seskar's, melkar's, motorcars, railcars, seskar's, aerostar's, aerostars, avatars, cojimar's, escobar's, feldspars, gaidar's, handlebars, hectares, jaguar's, jaguars, magyars, melkar's, memoirs, minstar's, mizar's, morningstar's, motorcars, northstar's, radars, railcars, registrars, reservoirs, seminars, seskar's, sidebars, tigar's, windstar's
Boxcars sounds like:
bacharach, bachrach, backer's, backers, bajorek, baker's, bakeries, bakers, bakker's, bakkers, basara's, bashers, bassir's, bazaars, becker's, beckers, becor's, beggars, beker's, beshears, bickers, biggers, bikers, bjerke, bjorge, bjork, bojarski, bojorquez, booker's, bookers, bosarge, boshears, boshers, boxer's, boxers, buggers, busker's, buskirk