The word "zwirner" is spelled with the letters Z, W, I, R, N, and E. The IPA (International Phonetic Alphabet) transcription for "zwirner" is /ˈzwɪərnɚ/. The first syllable is pronounced with the consonant blend /zw/, as in "zipper" or "zucchini." The second syllable has a short vowel sound, /ɪ/, followed by the consonant sound /r/. The final syllable, -ner, has a reduced vowel sound, /ə/, and the consonant sound /n/. Overall, the spelling of "zwirner" accurately represents its pronunciation in IPA.