Intercourse between individuals is important for building relationships.

The interest group organized a protest against the new government policies.

I'm very interested in learning about this topic.

The internal combustion engine revolutionized transportation.

He specializes in internal medicine.

The internal revenue of the country has been steadily increasing over the years.

The internal revenue of the country has been steadily increasing over the years.

The small intestine is responsible for absorbing nutrients from food.

I was startled when the jack-in-the-box popped out.

I saw a beautiful jack-in-the-pulpit in the forest.