plait / plate 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. 👇
plait: (verb) weave into plaits.
plate: (noun) a sheet of metal or wood or glass or plastic. (noun) a full-page illustration (usually on slick paper). (noun) dish on which food is served or from which food is eaten. (noun) the quantity contained in a plate. (noun) a rigid layer of the Earth's crust that is believed to drift slowly. (noun) the thin under portion of the forequarter. (noun) a main course served on a plate. (noun) any flat platelike body structure or part. (noun) the positively charged electrode in a vacuum tube. (noun) a flat sheet of metal or glass on which a photographic image can be recorded. (noun) structural member consisting of a horizontal beam that provides bearing and anchorage. (noun) a shallow receptacle for collection in church. (noun) a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners). (verb) coat with a layer of metal.
plait: p·l·EY·t
plate: p·l·EY·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)