"Eightyfive" is spelled as /ˈeɪti.faɪv/. The word is composed of two parts: "eighty," which is pronounced as /ˈeɪti/, and "five," which is pronounced as /faɪv/. The word is written without a space or a hyphen between the two parts, indicating that it is a compound word. It is important to use the correct spelling of "eightyfive" when writing it down to avoid confusion with similar-sounding words or phrases.