trade / trayed are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
trade: (noun) the commercial exchange (buying and selling on domestic or international markets) of goods and services. (noun) the skilled practice of a practical occupation. (noun) the business given to a commercial establishment by its customers. (verb) engage in the trade of. (verb) turn in as payment or part payment for a purchase. (verb) be traded at a certain price or under certain conditions. (verb) exchange or give (something) in exchange for.
trayed: NA
trade: t·r·EY·d
trayed: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)