internecine

lucha interna

Denotes a destructive conflict or power struggle between members of the same group.

Conflicto dentro de un grupo u organización.

guerra intestina

Describes warfare between factions of the same country, group, or organization.

lucha intestina

Refers to angry and bitter conflict within an organization or country.

Describes a prolonged and bitter dispute within a group, often destructive to all parties.