trade

[1]	transact/do business , buy , sell , deal , traffic , merchandise , have dealings
[2]	exchange , swap/swop , interchange , switch , barter , return
[3]	merchandise
[4]	trade in
[5]	swap , swop , switch
[6]	deal , sell

[1]	commerce , business , traffic , exchange , barter , dealing(s) , buying and selling , merchandising , marketing , mercantilism , truck
[2]	calling , craft , occupation , pursuit , work , business , employment , line (of work) , job , vocation , craft , career , profession
[3]	swap/swop , patronage , exchange , interchange , barter
[4]	customers , deal , business deal , clientele , custom , patrons , following , patronage , shoppers
[5]	craft
[6]	trade wind
[7]	barter , swap , swop