change vs trade

change and trade both are nouns.

Word	Noun	Adjective	Verb	Adverb
change	Yes	No	Yes	No
trade	Yes	No	Yes	No

As verbs, trade is a hyponym of change; that is, trade is a word with a more specific, narrower meaning than change:

Other hyponyms of change include sell, cash, cash in, ransom, redeem, redeem, fill in, stand in, sub, substitute, swap, switch, swop, barter, trade in.

change (noun)	trade (noun)
the action of changing something	the skilled practice of a practical occupation
a different or fresh set of clothes	the business given to a commercial establishment by its customers
a thing that is different	a particular instance of buying or selling
a difference that is usually pleasant	an equal exchange
an event that occurs when something passes from one state or phase to another	the commercial exchange (buying and selling on domestic or international markets) of goods and services
the result of alteration or modification	people who perform a particular kind of skilled work
coins of small denomination regarded collectively	steady winds blowing from east to west above and below the equator
the balance of money received when the amount you tender is greater than the amount due
money received in return for its equivalent in a larger denomination or a different currency
a relational difference between states; especially between states before and after some event

change (verb)	trade (verb)
undergo a change; become different in essence; losing one's or its original nature	turn in as payment or part payment for a purchase
cause to change; make different; cause a transformation	engage in the trade of
become different in some particular way, without permanently losing one's or its former characteristics or essence	exchange or give (something) in exchange for
change clothes; put on different clothes	do business; offer for sale as for one's livelihood
exchange or replace with another, usually of the same kind or category	be traded at a certain price or under certain conditions
lay aside, abandon, or leave for another
remove or replace the coverings of
become deeper in tone
change from one vehicle or transportation line to another
give to, and receive from, one another