sion suffix
Core Rule
The suffix -sion forms nouns meaning action, process, or result. It is typically pronounced /ʃən/ or /ʒən/, depending on the preceding consonant and word history.
Articulation Guide
Produce a smooth sh/zh sound, then reduce to schwa + n. The tongue is slightly raised toward the palate; lips stay relaxed; airflow is continuous.
Word Analysis
- aggression: /əˈɡreʃən/, double s leads to /ʃən/.
- compassionate: built on passion with -sion pronounced /ʃən/.
- expansion: /ɪkˈspænʃən/, s + ion merges into /ʃən/.
Pitfalls
Avoid reading it as /sɪon/. Do not confuse -sion with -tion or -cian in spelling and sound.
Phonics Breakdown
sh/zh onset → reduced schwa → nasal n
Sound Reference
- Think sound first, spelling second
- Reduce the vowel to schwa
Common Mistakes
Pronouncing each letter
Mixing -sion with -tion