The spelling of the word "RHILBETA" is quite uncommon and requires a thorough understanding of phonetics. The pronunciation of the word can be transcribed using the International Phonetic Alphabet (IPA) as /rɪlˈbɛtə/. The first syllable "ril" is pronounced with a short "i" sound, followed by a stressed "be" sound in the second syllable. The final syllable "ta" is pronounced with a neutral "uh" sound. The spelling of "rhilbeta" may appear confusing, but its phonetic transcription can help clarify its pronunciation.