A dorsal sound is a sound that is pronounced by the back of the tongue approaching or touching the palate or pharynx.

The theory of phonetic shift is an important part of linguistics.

This word is affected by the sound shift.

He is an expert in musicology.

He is an expert in orthoepy, teaching pronunciation.

This room is covered with soundproofing material, so the sound doesn't leak outside.

He honked the car horn to get my attention.

It is said that various monsters and spirits lurk in the forest.

This book enlightened my thinking.

Mouke-no-kimi appears in The Tale of Genji.