The correct spelling of the word "Baynbridge" would be "Bainbridge" (/ˈbeɪnbrɪdʒ/). The "a" in the first syllable is pronounced as /eɪ/ and the "i" in the second syllable is pronounced as /ɪ/. The final "dge" is pronounced as /dʒ/, making it a common spelling for words ending in a "j" sound. It is important to use accurate phonetic transcription when explaining pronunciation and spelling of words to ensure clear communication.