why'd / wide 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. 👇
why'd: NA
wide: (adjective) having great (or a certain) extent from one side to the other. (adjective) great in degree. (adjective) having ample fabric. (adjective) not on target. (adverb) with or by a broad space. (adverb) to the fullest extent possible. (adverb) far from the intended target. (adverb) to or over a great extent or range; far.
why'd: w·AY·d
wide: w·AY·d
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)