Motorcars rhymes with:
boxcars, melkar's, railcars, seskar's, aerostar's, aerostars, avatars, boxcars, cojimar's, escobar's, feldspars, gaidar's, handlebars, hectares, jaguar's, jaguars, magyars, melkar's, memoirs, minstar's, mizar's, morningstar's, northstar's, radars, railcars, registrars, reservoirs, seminars, seskar's, sidebars, tigar's, windstar's