The word "promaucaes" is an uncommon term and its spelling can be quite confusing. The correct way to pronounce this word is /prɒmaʊsɛs/. The first syllable "pro" is pronounced as "pra" while the second syllable "mau" is pronounced as "maʊ". The emphasis is on the third syllable "caes". The spelling of this word can be difficult to remember, but with the help of the IPA phonetic transcription, it becomes easier to understand the pronunciation of "promaucaes".