The Universal Atlas of Phonetic Evolution
Back to Matrix [ʃ] → [z] Edit this Data

[z]→[ʃ]Certainty: 5/5Commonality: 4/5

Voiced alveolar fricative to Voiceless postalveolar fricative

The transformation of the voiced alveolar fricative [z] into the voiceless postalveolar fricative [ʃ] (represented here as 'sh') is a documented form of palatalization and devoicing, typically occurring in connected speech or through historical mergers.

Phonetic Effects

Palatalization, Devoicing, Yod-Coalescence

Language Examples

Is your [ɪz jər]→[ɪʃər]— Common palatalization and devoicing in fluent speech where the sibilant merges with the following palatal glide.
Historical [zj]→[ʃ/ʒ]— The merger of sibilants and palatal glides into postalveolar fricatives (e.g., in the development of words like 'vision' or 'pleasure').

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