-tion suffix

Core Rule

The suffix -tion is a highly productive noun-forming ending in English, typically expressing an action, process, result, or state. Phonically, it follows a fixed reduction pattern: -tion is pronounced /ʃən/ in both General American and Received Pronunciation, regardless of spelling expectations.

Articulation Guide

Produce /ʃ/ by raising the tongue blade toward the postalveolar ridge without contact; allow steady, unvoiced airflow. Transition immediately into the schwa /ə/, with a relaxed jaw and minimal lip tension, reflecting its unstressed nature.

Word Analysis

In education /ˌedʒuˈkeɪʃən/, primary stress precedes the suffix, while -tion remains weak and centralized. The letter t does not retain its stop quality; instead, it contributes to the /ʃ/ sound.

Pitfalls to Avoid

Do not pronounce -tion as /tɪon/ or /tʃən/. Also distinguish it from -sion and -cion, which may look similar but follow different phonological triggers.