pros / prose 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. 👇
pros: (noun) an argument in favor of a proposal.
prose: (noun) ordinary writing as distinguished from verse. (noun) matter of fact, commonplace, or dull expression.
pros: p·r·OW·z
prose: p·r·OW·z
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)