The word "krotzer" is spelled using the phonetic transcription /'krɒt.sər/. This means that the first syllable "krot" is pronounced with a short "o" sound, followed by a "t" sound and a soft "s" sound. The second syllable "zer" is pronounced with a "z" sound, followed by a short "ə" sound, and ends with a "r" sound. It is important to use proper phonetic transcription to ensure proper pronunciation and spelling of words for effective communication.