OVERVIEW
Two letters blended together can make a long vowel sound. These are sometimes called diphthongs.
Diphthong examples:
Oi and oy are different spellings that make the same vowel sound.
Ow and ou are different spellings that make the same vowel sound.
Download our Diphthongs Chart below.
This chart outlines the use of four diphthongs (oi, oy, ow, and ou) with example words and illustrations. Can you think of any other words using these diphthongs?