Back vowels are vowels that are pronounced using the back of the tongue.

A back vowel is a sound where the back of the tongue approaches the palate.

Postfix notation is one method of expressing calculations.

Tokudaiji Sanesada, also known as Goto Tokudaiji Sadaijin, was a court noble and a literary person during the Heian period.

An abnormality was found in his occipital lobe.

He is doing special exercises to strengthen his tibialis posterior muscle.

Strengthening the occipitalis muscle can reduce neck pain.

The Kokin Wakashū is the second collection of the Chokusen Wakashū.

In Japanese grammar, postpositions play an important role.

We should always remember the power of Kannon in difficult times.