ow = au

Rule Core

ow = /aʊ/ (au-like sound) is a key phonics pattern. When ow appears in a stressed syllable and is not reduced, it typically represents the diphthong /aʊ/, moving from an open vowel to a rounded glide.

Articulation Guide

Begin with the jaw lowered and tongue centered-back; lips relaxed. Glide smoothly as the tongue rises and lips round slightly, maintaining steady airflow.

Word Analysis

• renowned: the stressed ow clearly forms /aʊ/, with a strong vowel glide.
• somehow: final ow still reads /aʊ/, though the off-glide is lighter in connected speech.

Pitfall Alert

Do not confuse this with ow = /oʊ/ as in snow or know. Stress pattern and lexical origin determine the sound.