Cosa Nostra is a notorious criminal organization in Sicily.

I bought a box of cosaques for the party.

The Cossacks were known for their fierce fighting skills.

Cosalite is a rare mineral found in some ore deposits.

The cosalites were found in the mineral specimen.

Cosaviruses are a group of viruses that infect mammals.

The cosavirus is a type of virus that belongs to the genus Cosavirus.

The cosabos are colorful birds.

Cosabo is a beautiful name for a baby girl.

The Cosabo people were indigenous to the coastal region of South Carolina.