rap / wrap 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. 👇
rap: (noun) a gentle blow. (noun) voluble conversation. (noun) genre of African-American music of the 1980s and 1990s in which rhyming lyrics are chanted to a musical accompaniment; several forms of rap have emerged. (verb) strike sharply. (verb) perform rap music. (verb) talk volubly.
wrap: (noun) cloak that is folded or wrapped around a person. (noun) a sandwich in which the filling is rolled up in a soft tortilla. (verb) arrange or fold as a cover or protection. (verb) crash into so as to coil around.
rap: r·AE·p
wrap: r·AE·p
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)