vertebral column /vˈɜːɾɪbɹəl kˈɑːlʌm/ /vˈɜːtɪbɹəl kˈɒlʌm/
spine /spaɪn/ /spaɪn/
backbone /ˈbækˌboʊn/ /ˈbækbəʊn/
