Nouns

(n)tradethe commercial exchange (buying and selling on domestic or international markets) of goods and services“Venice was an important center of trade with the East”, “they are accused of conspiring to constrain trade”
(n)trade, craftthe skilled practice of a practical occupation“he learned his trade as an apprentice”
(n)trade, patronagethe business given to a commercial establishment by its customers“even before noon there was a considerable patronage”
(n)deal, trade, business deala particular instance of buying or selling“it was a package deal”, “I had no further trade with him”, “he's a master of the business deal”
(n)craft, tradepeople who perform a particular kind of skilled work“he represented the craft of brewers”, “as they say in the trade”
(n)trade wind, tradesteady winds blowing from east to west above and below the equator“they rode the trade winds going west”
(n)barter, swap, swop, tradean equal exchange“we had no money so we had to live by barter”

Verbs

(v)trade, merchandiseengage in the trade of“he is merchandising telephone sets”
(v)trade, trade inturn in as payment or part payment for a purchase“trade in an old car for a new one”
(v)tradebe traded at a certain price or under certain conditions“The stock traded around $20 a share”
(v)trade, swap, swop, switchexchange or give (something) in exchange for
(v)deal, sell, tradedo business; offer for sale as for one's livelihood“She deals in gold”, “The brothers sell shoes”