boos / booze 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. 👇
boos: (noun) a cry or noise made to express displeasure or contempt. (verb) show displeasure, as after a performance or speech.
booze: NA
boos: b·UW·z
booze: b·UW·z
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)