marquee / marquis 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. 👇
marquee: (noun) permanent canopy over an entrance of a hotel etc..
marquis: (noun) humorist who wrote about the imaginary life of cockroaches (1878-1937). (noun) nobleman (in various countries) ranking above a count.
marquee: m·aa·r·k·IY
marquis: m·AA·r·k·IY
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)