pressed / prest 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. 👇
pressed: (verb) exert pressure or force to or upon. (verb) place between two surfaces and apply weight or pressure. (verb) crowd closely. (verb) create by pressing. (verb) be urgent. (verb) press from a plastic. (verb) make strenuous pushing movements during birth to expel the baby. (adjective) compacted by ironing.
prest: NA
pressed: p·r·EH·s·t
prest: p·r·EH·s·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)