jinks / jinx 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. 👇
jinks: (noun) noisy and mischievous merrymaking.
jinx: (verb) foredoom to failure.
jinks: jh·IH·ng·k·s
jinx: jh·IH·ng·k·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)