whoo / woo 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. 👇
whoo: NA
woo: (verb) seek someone's favor. (verb) make amorous advances towards.
whoo: NA
woo: w·UW
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)