ceding / seeding 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. 👇
ceding: NA
seeding: (verb) go to seed; shed seeds. (verb) help (an enterprise) in its early stages of development by providing seed money. (verb) bear seeds. (verb) distribute (players or teams) so that outstanding teams or players will not meet in the early rounds. (verb) sprinkle with silver iodide particles to disperse and cause rain. (verb) inoculate with microorganisms. (verb) remove the seeds from.
ceding: s·IY·d·ih·ng
seeding: s·IY·d·ih·ng
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)