Vowel harmony plays an important role in the phonology of certain languages.

There are five monophthongs in Japanese.

There are five short vowels in Japanese.

You need to be careful with the pronunciation of long vowels in Japanese.

A nasal vowel refers to a vowel that is pronounced through the nasal cavity.

A lingual sound is a sound that uses the tongue when pronouncing.

In Sanskrit phonology, retroflex sounds play an important role.

Seeing his cooking skills, I was amazed.

He adjusted the position of the hyoid bone to improve the quality of his voice.

His good enunciation greatly contributed to his winning first place in the speech contest.