The word "schreffler" is spelled with a combination of consonants and vowels that can make it challenging to pronounce. According to IPA phonetic transcription, it is pronounced as /ʃɹɛfləɹ/. The 'sch' at the beginning of the word is pronounced like 'sh', and the following 'r' is rolled slightly. The word ends with 'er', which is pronounced as '/əɹ/'. The middle part of the word has a combination of consonant sounds, making it somewhat complex to pronounce.