Deathbed :: Deathbed (n.) The bed in which a person dies; hence, the closing hours of life of one who dies by sickness or the like; the last sickness..
Deathbird :: Deathbird (n.) Tengmalm's or Richardson's owl (Nyctale Tengmalmi); -- so called from a superstition of the North American Indians that its note presages death.
Deathblow :: Deathblow (n.) A mortal or crushing blow; a stroke or event which kills or destroys.