The word "underbough" is spelled with the IPA phonetic transcription /ˈʌndərbɑʊ/. The first syllable "un" is pronounced with the short "u" sound, followed by the "d" sound. The second syllable "der" has a short "e" sound, followed by the "r" sound. The final syllable "bough" is pronounced with the "ow" diphthong. The word means a branch that grows underneath and supports the weight of larger branches on a tree. Correct spelling is important for clear communication and effective writing.