Isogloss map for /s/ and /z/ distinction in Iberian Peninsula Spanish, according to ALPI .

This is one of the basic markers of dialectal boundaries in Spain, along with s aspiration. The common terms "ceceo" and "seseo" must be conmplemented with "ceseo", a name that some authors have coined to refer to the distinction of the /s/ and /z/ phonemes, standard in most of Spain. This latter term is not common, though. The distinction of /s/ and /z/ seems to be expanding in the Peninsula, and probably has been doing so for centuries.

The words registered in the ALPI surveys that have been used in this map are :

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Map Legend

Zone A : Points where both prevowel /z/ and prevowel /s/ are pronounced interdental ("ceceo").

Zone B : Points where both prevowel /z/ and prevowel /s/ are pronounced sibilant ("seseo").

Zone C : Points where prevowel /z/ and prevowel /s/ are pronounced differently ("ceseo").

Zone D : Other languages. Zones where historically Spanish is not the local language.

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Index of Maps :   Isogloss maps for Iberian Peninsula Spanish, according to ALPI

Versión en español :   Mapa de isoglosas para la distinción de /s/ y /z/ en el castellano de la península Ibérica, a partir del ALPI

External link (in Spanish) with a Map of "ceceo" and "seseo", only for Andalusia :   Andalucía ceceante y seseante

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