The cemetery had rows of Y-shaped coffins.

The last nail in the coffin was the company's decision to raise prices.

Another nail in the coffin

Another nail in someone's coffin

He drove a nail in his opponent's coffin.

Coffinites are rare minerals found in uranium deposits.

Coffinite is a rare uranium mineral.

The room had a coffinlike atmosphere.

He was buried in a coffinless grave.

My friend's last name is Coffing.