'Father' and 'father' are words of the same origin.

My father is a doctor.

I like to hang out with friends who have the same hobbies.

The source of this river is halfway up the mountain.

He is good at speaking English.

The fountainhead of this river is at the top of the mountain.

What is the source of this information?

Mr. Minamoto is my best friend.

We are looking for financial resources for the new project.

My father likes to tell dad jokes.