Diphthong Practice Lists

A diphthong is a sound formed by combining two vowels in a single syllable. The sound begins as one vowel sound and moves towards another. The two most common diphthongs in the English language are the letter combination “oy”/“oi”, as in “boy” or “coin”, and “ow”/ “ou”, as in “cloud” or “cow”. Diphthongs are usually introduced as spelling patterns in the primary grades. Use our vowel diphthong practice lists to help students get a firmer grasp on these common word sounds.

VocabularySpellingCity’s diphthong practice lists can be paired with the fun phonics practice game Sound It Out! for independent practice. The game asks students to match phonemes (sounds) to their corresponding graphemes (letters). In the game, diphthongs are recognized as one phoneme, allowing for ideal concept review. If you’ve been wondering how to teach diphthongs, look no furhter!


Diphthongs Sample List
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Diphthong Practice List

Diphthongs Examples

“aw”/“au” straw, law, saw, cause, haul, author
“oy”/“oi” toy, boy, coy, coin, noise, oil
“ow”/“ou” cow, now, flower, cloud, house, loud