Lots of people have tried to link Basque to Etruscan, African languages, Caucasian languages and so on, but most scholars see Basque as an isolated language. Palatalization
? is quite typical of Basque, <tt>
and
are /t_j/ and /d_j/ respectively. <s>, <z> and <x> are sibilants, the latter designates /S/, the first is apical and the second laminal. The function of stress in Basque is generally not understood. <j> is pronounced as [d_j], [S], [X], [j] or [Z] according to region. The vowel system is the same as Spanish for most speakers, namely /a, e, i, o, u/. Some speakers also have /y/.