Crowned head and Mikado

Crowned head noun - A nation's ruler or head of state usually by hereditary right.

Mikado and crowned head are semantically related in ruler topic. In some cases you can use "Mikado" instead a noun phrase "Crowned head", when it comes to topics like historically.

Mikado noun - The emperor of Japan; when regarded as a religious leader the emperor is called tenno.

Crowned head and mikado are semantically related in ruler topic. Sometimes you can use "Crowned head" instead a noun "Mikado", if it concerns topics such as historically.