Swap
Part of speech: verb
Definition: To strike, hit. To exchange or give something in exchange for something else.
Part of speech: noun
Definition: An essentially equal exchange of two comparable things. A financial derivative in which two parties agree to exchange one stream of cashflow against another stream.
Example sentence: My mom bought me a white Strat, but that wasn't what I wanted, so I went to a guitar store in Cleveland and - the guy told me it was a really good deal - made an even swap for a blue Teisco Del Ray. I loved that guitar and used it a bunch.
Trade
Part of speech: adjective
Definition: relating to or used in or intended for trade or commerce;
Part of speech: verb
Definition: To engage in tradeTo be traded at a certain price or under certain conditions.To give (something) in exchange for.To do business; offer for sale as for one's livelihood.
Part of speech: noun
Definition: the commercial exchange (buying and selling on domestic or international markets) of goods and services.the collective people who perform a particular kind of skilled work.the skilled practice of a practical occupationa particular instance of buying or sellingthe business given to a commercial establishment by its customers
Example sentence: Salvation cannot be bought with the currency of obedience; it is purchased by the blood of the Son of God. Thinking that we can trade our good works for salvation is like buying a plane ticket and then supposing we own the airline. Or thinking that after paying rent for our home, we now hold title to the entire planet earth.