I installed several spam killers on my computer to protect against unwanted emails.

Cicada killers are large wasps that prey on cicadas.

Contract killers are hired to eliminate targets for a fee.

The cop-killers were apprehended by the police.

The city is on high alert after several cop killers escaped from prison.

The cow killers were spotted near the farm.

The man-killers prowled the jungle, searching for their next victim.

There are many tarantula killers in the desert.

Thrill-killers are individuals who derive pleasure from committing murder.

Thrill killers are individuals who commit murder for the excitement and thrill it brings.