The fruits are a common source of food for birds.

Still, carbohydrates are the most common source of energy for the human body.

Batteries are a common source of power in our present age.

The most common source of information about fathers is mothers.

But we have found no common source of the problem.

All of these manifestations clearly share a common source or cause.

The most common sources of stress include family, social relationships, friends, work, and school.

Easily the most common source of these problems is absence in time or place.

It began to spread in the 1920s and by the late '40s was a common source of entertainment.

A total of 131,601 names from the 38 most common sources are listed.