Bynoe is a surname that is pronounced as /baɪˈnoʊ/. In terms of its spelling, the first syllable is spelled as "by" using the letter "y" to represent the /aɪ/ sound. The second syllable is spelled as "noe" using the letters "n", "o", and "e" to represent the /noʊ/ sound. Overall, the spelling of Bynoe follows English orthography rules, using a combination of vowels and consonants to represent the sounds found in the word.