Competes

Tom competes in ski races.

He competes in ski races.

She competes in ski races.

Mary competes in ski races.

The show Glee is about an a cappella high school group that competes against other a cappella high school groups, but I promise, it's really quite entertaining.

New bitcoins are created by “mining,” in which a global network of computers competes to solve complex algorithms in reward for fractions of Bitcoins.

When a cancer grows in an organ, it competes with healthy tissue for nutrients and space, killing off healthy cells, which release their DNA into the bloodstream.

West Virginians and people all across the country can proudly watch the American Strongman when he again competes in the World's Strongest Man Contest, being held this October in Zimbabwe.

But what about reducing pain? Aspirin competes with other medicines for reducing pain and high body temperature. The competition includes acetaminophen, the active substance in products like Tylenol. It also includes ibuprofen, the active substance in products such as Advil. Like ibuprofen, aspirin is an NSAID — a non-steroidal anti-inflammatory drug.

Sport is an activity involving strength, endurance and skill, in which one person or team competes against another or others for the entertainment of the participants or observers.