As nouns the difference between war and riots
is that
war is organized, large-scale, armed conflict between countries or between national, ethnic, or other sizeable groups, usually involving the engagement of military forces while
riots is plural of lang=en.
As verbs the difference between war and riots
is that
war is to engage in conflict (may be followed by "with" to specify the foe) while
riots is third-person singular of riot.
As a proper noun War
is the personification of war, often depicted in armor, and riding a red horse.