The correct spelling of the word "Brunston" is identified by its International Phonetic Alphabet (IPA) transcription as /ˈbrʌnstən/. It is a compound word comprising of "Brun" and "ston", which are common surnames. The first syllable "Brun" is pronounced as "brʌn" with a short "u" sound as in "bun," followed by the letter "r" and a short "u" sound. The second syllable "ston" is pronounced as "stən" with a short "o" sound as in "lot" and a silent "e" at the end.