I am very interested in sociolinguistics.

Her family adopts a matriarchy.

The United Kingdom is a constitutional monarchy.

Oligarchy is a political system where a few powerful people rule the country.

Proportional representation is an important system to ensure the fairness of elections.

My company has introduced a layoff system.

He is doing special exercises to strengthen his depressor muscle.

Japan has introduced an import quota system to protect domestic industries.

When my stomach hurts, I always take an antacid.

The system of provinces was a part of the ancient political system in Japan.