rapper / wrapper 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. 👇
rapper: (noun) someone who performs rap music.
wrapper: NA
rapper: r·AE·p·er
wrapper: r·AE·p·er
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)