Simple branched alkanes often have a common name using a prefix to distinguish them from linear alkanes, for example n-pentane, isopentane, and neopentane.
sˈɪmpəl bɹˈæntʃt ˈælkeɪnz ˈɔfən hæv ɐ kˈɑːmən nˈeɪm jˈuːzɪŋ ɐ pɹˈiːfɪks tə dɪstˈɪŋɡwɪʃ ðˌɛm fɹʌm lˈɪnɪɹ ˈælkeɪnz, fɔːɹ ɛɡzˈæmpəl ˈɛnpˈɛnteɪn, ˈaɪsoʊpˌɛnteɪn, ænd nˈiːoʊpˌɛnteɪn.