raid / rayed 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. 👇
raid: (noun) an attempt by speculators to defraud investors. (verb) search without warning, make a sudden surprise attack on. (verb) take over (a company) by buying a controlling interest of its stock. (verb) search for something needed or desired.
rayed: (verb) emit as rays.
raid: r·EY·d
rayed: r·EY·d
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)