"Strouse" is a surname with a unique spelling. In IPA phonetic transcription, it would be spelled as /straʊs/. The initial "s" is pronounced as a voiceless alveolar fricative, followed by a diphthong of "ou" that starts with an open-mid back rounded vowel and ends with a high back rounded vowel. The final "s" is also pronounced as a voiceless alveolar fricative. The spelling of "Strouse" is not phonetically intuitive, which makes it an interesting example of how language can evolve and change over time.