trays / treys 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. 👇
trays: (noun) an open receptacle for holding or displaying or serving articles or food.
treys: (noun) one of four playing cards in a deck having three pips.
trays: t·r·EY·z
treys: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)