elicit / illicit 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. 👇
elicit: (verb) derive by reason.
illicit: (adjective) contrary to accepted morality (especially sexual morality) or convention.
elicit: ih·l·IH·s·ih·t
illicit: ih·l·IH·s·ah·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)