yoke / yolk 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. 👇
yoke: (noun) fabric comprising a fitted part at the top of a garment. (noun) an oppressive power. (noun) a pair of draft animals joined by a yoke. (noun) support consisting of a wooden frame across the shoulders that enables a person to carry buckets hanging from each end. (noun) a connection (like a clamp or vise) between two things so they move together. (noun) stable gear that joins two draft animals at the neck so they can work together as a team. (verb) become joined or linked together. (verb) link with or as with a yoke. (verb) put a yoke on or join with a yoke.
yolk: (noun) nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg).
yoke: y·OW·k
yolk: y·OW·k
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)