Vowel Diphthongs - oi, oy, ou, ow

Front

What is a vowel diphthong?

Back

A vowel diphthong is a complex vowel sound that begins with one vowel sound and glides into another within the same syllable.

Front

Give an example of a word that contains the diphthong 'oi'.

Back

An example of a word that contains the diphthong 'oi' is 'boil'.

Front

What is the sound represented by the diphthong 'oy'?

Back

The diphthong 'oy' represents the sound /ɔɪ/, as in the word 'toy'.

Front

Identify a word that contains the diphthong 'ou'.

Back

A word that contains the diphthong 'ou' is 'cloud'.

Front

What sound does the diphthong 'ow' represent?

Back

The diphthong 'ow' represents the sound /aʊ/, as in the word 'cow'.

Front

Which diphthong is found in the word 'sour'?

Back

The diphthong found in the word 'sour' is 'ou'.

Front

What is the difference between 'oi' and 'oy'?

Back

Both 'oi' and 'oy' represent the same sound /ɔɪ/, but 'oi' typically appears in the middle of words (e.g., 'boil'), while 'oy' appears at the end (e.g., 'toy').

Front

Provide a sentence using the word 'spoil'.

Back

The food will spoil if left out too long.

Front

What is the correct spelling of the word that means to appoint someone to a position?

Back

The correct spelling is 'appoint'.

Front

How does the diphthong 'ou' sound in the word 'found'?

Back

In the word 'found', the diphthong 'ou' sounds like /aʊ/.