The four-letter word "OPES" is spelled with the consonant sound of /p/ followed by the vowel sound of /oʊ/ and ending with /z/. The IPA phonetic transcription for "OPES" is /ˈoʊpɪz/. The term "OPES" refers to a plural form of "opera," which is used in the context of finances to denote a company's assets or resources. Despite the simplicity of the word's spelling, "OPES" is not commonly used in everyday conversations.