Synonyms and related words :
agency, backscratching, barter, bartering, brokerage, buying and selling, colossal, dealing, doing business, enormous, even trade, exchange, giant, gigantic, give-and-take, horse trading, immense, interchange, jobbing, jumbo, logrolling, mammoth, merchandising, pork barrel, retailing, swap, switch, trade, trading, trafficking, tremendous, wheeling and dealing, wholesaling, whopping