The spelling of the acronym "WCUP" is pronounced as /wɪˈkʌp/ in IPA phonetic transcription. The 'W' and 'C' represent the first initials of 'World' and 'Cup,' respectively. The letter 'U' sounds like 'uh,' which is similar to the vowel sound in the word 'cup.' Thus, the correct way to spell 'WCUP' is to represent each letter phonetically, as pronounced. The term 'WCUP' is often used to refer to the FIFA World Cup, an international soccer tournament that takes place every four years.