The term "death's-head" is a phrase that refers to a skull or cranium symbol that is often associated with death and mortality. However, there are many other words and phrases that can be used as synonyms for this term. For example, some might use the words "grim reaper" or "skull and crossbones" to refer to the same symbol. Other synonyms might include "bonehead," "skeleton," "cadaver," or "bony visage." Each of these words carries a slightly different connotation or meaning, but all are related to the theme of death and the afterlife. In many cultures, the death's-head symbol has been used for centuries as a way to honor the dead and acknowledge the inevitability of death.