The word "berntson" is pronounced differently than it is spelled. The IPA phonetic transcription for "berntson" is /ˈbɜːn(t)sən/. The first syllable of the word is pronounced with an open-mid front unrounded vowel /ɜː/. The /t/ and /s/ are pronounced separately and represent two different consonant sounds. Finally, the last syllable is pronounced with a schwa /ən/ and a silent consonant /t/. Despite the unexpected spelling, "berntson" is pronounced with three distinct syllables, each with its own vowel sound.