dyeing / dying 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. 👇
dyeing: (noun) the use of dye to change the color of something permanently.
dying: (adjective) in or associated with the process of passing from life or ceasing to be.
dyeing: d·AY·ih·ng
dying: d·AY·ih·ng
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)