internecine

As an adjective internecine

is mutually destructive; most often applied to warfare.

As a verb gire is

.

As adjectives the difference between internecine and internal

is that internecine is mutually destructive; most often applied to warfare while internal is inside of something.

is likely misspelled.

has no English definition.

As an adjective internecine

is mutually destructive; most often applied to warfare.

As an adjective internecine

is mutually destructive; most often applied to warfare.

As a noun war is

organized, large-scale, armed conflict between countries or between national, ethnic, or other sizeable groups, usually involving the engagement of military forces.

As a verb war is

to engage in conflict (may be followed by "with" to specify the foe).

As a proper noun War is

the personification of war, often depicted in armor, and riding a red horse.

As an adjective internecine

is mutually destructive; most often applied to warfare.

As a preposition between is

in the position or interval that separates (two things), or intermediate in quantity or degree (see the usage notes below).

As a noun between is

a kind of needle, shorter than a sharp, with a small rounded eye, used for making fine stitches on heavy fabrics.

As adjectives the difference between internecine and internecive

is that internecine is mutually destructive; most often applied to warfare while internecive is internecine.