homocide

Homocide is likely misspelled.

Homocide has no English definition.

As a noun massacre

is the intentional killing of a considerable number of human beings, under circumstances of atrocity or cruelty, or contrary to the norms of civilized people.

As a verb massacre

is to kill in considerable numbers where much resistance can not be made; to kill with indiscriminate violence, without necessity, and contrary to the norms of civilized people; to butcher; to slaughter. Often limited to the killing of human beings.

As a noun suicide is

(l).