The villain tried to asphyxiate the witness by pressing a pillow over his face during the blackout.

The coroner's report listed several asphyxiations that occurred in the old factory over the past decade.

The medical examiner concluded that the victim's cause of death was asphyxiation after the autopsy.

The coroner identified an asphyxial cause of death after the investigation.

The old gas stove, a hidden asphyxiator, filled the kitchen with carbon monoxide while we slept.

The safety officer insisted that asphyxiators be stored in ventilated cabinets and clearly labeled.

The ancient library was asphyxiatingly silent, every footstep echoing like a betrayal.

After a series of dangerous incidents, she admitted her asphyxiaphilia and sought professional help.

The asphyxiative fumes from the malfunctioning heater spread throughout the apartment, prompting an urgent evacuation.

The abandoned chemical plant released an asphyxiatory vapor that made it impossible to breathe near the site.