Stomachache

I have a stomachache.

I have a stomachache, doctor.

Her daughter has a stomachache.

After you take the medicine, your stomachache will be much relieved.

Tom said he had a stomachache and left the room.

Tom had a bad stomachache.

After eating three dishes of ice cream, Tom had a stomachache.

I had a terrible stomachache.

Tom has a stomachache.

A stomachache is usually mistaken for a bellyache.