In casual speech, some speakers add an echo vowel to words to make them easier to pronounce, turning 'cat' into 'cata' as a clear case of an echo vowel.

Linguists compared the back vowels across dialects to determine how tongue position affects pronunciation.

During the workshop, the instructor demonstrated how front vowels change when the tongue moves forward.

In everyday speech, the natural vowel often replaces clearer vowels in unstressed syllables.

The neutral vowel often replaces full vowels in unstressed syllables, making speech more fluid.

Many learners of English are confused by the happy vowel at the end of words like 'happy' and 'city'.

The linguist showed how a vowel point added to a consonantal word can completely change its pronunciation.

Scholars debated whether vowel pointing should be added to the medieval manuscripts to clarify pronunciation.

Linguists analyzed ancient inscriptions to determine how the vowel points influenced pronunciation.

In phonetic analysis, the tense vowel often contrasts with a lax counterpart in both duration and articulation.