sell vs trade

sell and trade both are nouns.

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

As verbs, sell and trade are synonyms defined as:

Other synonyms of sell include deal.

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

Other hyponyms of sell include retail.

sell (noun)	trade (noun)
the activity of persuading someone to buy	the skilled practice of a practical occupation
	the business given to a commercial establishment by its customers
	a particular instance of buying or selling
	an equal exchange
	the commercial exchange (buying and selling on domestic or international markets) of goods and services
	people who perform a particular kind of skilled work
	steady winds blowing from east to west above and below the equator

sell (verb)	trade (verb)
persuade somebody to accept something	turn in as payment or part payment for a purchase
exchange or deliver for money or its equivalent	engage in the trade of
do business; offer for sale as for one's livelihood	exchange or give (something) in exchange for
give up for a price or reward	do business; offer for sale as for one's livelihood
deliver to an enemy by treachery	be traded at a certain price or under certain conditions
be sold at a certain price or in a certain way
be responsible for the sale of
be approved of or gain acceptance