The word "ectochone" is spelled as /ˈɛktəʊkəʊn/, with each phoneme corresponding to a sound in the word. The first syllable "ecto" is pronounced as /ˈɛktəʊ/, with the stress on the first syllable. The second syllable "chone" is pronounced as /kəʊn/. This word is not commonly used and may not be easily recognized by most speakers of English. It is important to pay attention to spelling and pronunciation to communicate effectively and avoid confusion in written and spoken communication.