The word "roeser" is a rare surname that is not commonly heard in English. The pronunciation of this word is /ˈrɔːsər/ or "Roh-sir" in IPA phonetic transcription. The first syllable "roe" is pronounced with a long "o" sound, and the second syllable "ser" is pronounced with a short "e" sound. It is not to be confused with the word "rosier" which is pronounced with a long "o" sound in the second syllable. Overall, the spelling of "roeser" is unique and has an interesting pronunciation.