envoi / envoy 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. 👇
envoi: NA
envoy: (noun) a diplomat having less authority than an ambassador. (noun) a brief stanza concluding certain forms of poetry.
envoi: NA
envoy: EH·n·v·oy
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)