common ending
Rule Core
The suffix -sion is a common noun ending in English, typically signaling an action, process, or result derived from a verb. It functions as a single phonetic unit rather than separate letters.
Pronunciation Guide
After a stressed syllable, -sion is usually pronounced /ʒən/ or /ʃən/. The tongue approaches the alveolar ridge, airflow remains smooth, and the final vowel reduces to a schwa /ə/.
Word Analysis
In excursion, stress falls on -cur-, while -sion weakens to /ʒən/. This explains why the written "s" does not sound like a clear /s/.
Pitfall Alert
Do not confuse -sion with -tion or -ssion. Similar sounds hide different spellings that depend on etymology, not just pronunciation.
Phonics Breakdown
Tongue near the alveolar ridge, smooth airflow, finish with schwa
Sound Reference
- Learn the sound pattern before memorizing spelling
- Use word roots to decide the correct suffix
Common Mistakes
Pronouncing a clear /s/ sound
Guessing spelling from sound alone