He is conducting research on the radula of mollusks.

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.

In phonetics, linguolabial refers to sounds where the tip or upper part of the tongue contacts or approaches the upper lip.

The doctor said that my glossitis was due to eating too much spicy food.

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

In Sanskrit phonology, retroflex sounds play an important role.

I loaded the luggage in the rear of the car.

The Great Vowel Shift played a significant role in the history of English.

He is writing a thesis on the octovocalic theory.