-ture change

Rule Core

The -ture sound change refers to the common English pattern where the spelling -ture is pronounced as /tʃər/ or /tʃə/. Historically, /t/ followed by a palatal glide /j/ undergoes coalescence, producing an affricate-like sound, especially in unstressed endings.

Articulation Guide

Start with a light alveolar stop /t/, immediately glide toward a postalveolar fricative /ʃ/. The lips are slightly rounded, airflow continuous, and the final -re reduces to a schwa /ər/.

Word Analysis

Nature /ˈneɪtʃər/, culture, picture all follow this rule. By contrast, sovereignty ends in -ty /ti/, not -ture, illustrating how different suffixes yield different reduced pronunciations despite similar spelling complexity.

Pitfalls

Avoid pronouncing -ture as /tur/. Do not confuse it with -sure or -ty, which follow separate phonological rules.