" Casino war " is a popular card game that is usually played in casinos. However, if you're looking for other terms to express it, there are many synonyms that you can use. Some of these synonyms include "battle," "clash," "conflict," "contest," "struggle," and "combat." You can also use other words such as "face-off," "showdown," and "duel." These synonyms can be used interchangeably with "casino war" and can make your writing more varied and interesting. So, whether you're writing an article or just want to expand your vocabulary, don't forget to use these synonyms for "casino war" and impress your readers.