As an example of different kanji with the same kun, there are 'sea' and 'lake'.

He publicly acknowledged that he is a homosexual.

The police believe that all these incidents were committed by the same criminal.

The iteration mark 々 is used in this kanji.

He and his brother look so alike, they seem like the very same person.

He tends to regard all people as the same.

They are treating all students as one.

Gidousanshi is one of the ancient Chinese official positions.

Fujiwara no Korechika, who held the title of Gidō Sanshi, was an important politician during the Heian period.

We value the concept of 'food and medicine come from the same source'.