Vowel Diphthongs | Unifinity Blockchain Institute

Vowel Diphthongs

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”.

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  • Course Includes
  • downloadable material
  • 5-10 minutes video presentation

What you will learn

  • identify words with vowel diphthongs: oy (boy), oi (boil), ou (out), ow (bow) correctly;
  • read words with vowel diphthongs: oy (boy), oi (boil), ou (out), ow (bow) accurately;
  • use words with vowel diphthongs: oy (boy), oi (boil), ou (out), ow (bow) in phrases/sentences.

Course Content

1 sections • 1 lectures •
Vowel Diphthongs

Vowel Diphthongs



  • paper pen, cellphone laptop/computer


A diphthong, also known as a gliding vowel, is a combination of two adjacent vowel sounds within the same syllable. Technically, a diphthong is a vowel with two different targets: that is, the tongue moves during the pronunciation of the vowel.

So come on! explore this curse.

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Last Updated 12th May 2022
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About the Instructor

About the Instructor

Bachelor Of Secondary Education Major in English