gin / jinn 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. 👇
gin: (noun) strong liquor flavored with juniper berries. (noun) a form of rummy in which a player can go out if the cards remaining in their hand total less than 10 points. (verb) separate the seeds from (cotton) with a cotton gin. (verb) trap with a snare.
jinn: NA
gin: jh·IH·n
jinn: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)