The linguistics professor explained how vowel mutations affect verb conjugation in several Germanic languages.

The linguistics professor asked the students to identify the unrounded vowel in each word on the worksheet.

The historical phonologist argued that many words developed a prop vowel after final consonants were lost.

In the lecture, the phonetician demonstrated how to produce a cardinal vowel by moving the tongue to its highest front position.

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.

In phonetics class, the teacher asked us to hold a long vowel at roughly one and a half to twice the duration of a short vowel so we could observe the contrast.

In English phonology, the lax vowel in 'bit' contrasts with the tense vowel in 'beat'.

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

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

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