Customs and Excise are two terms that often go hand in hand when talking about taxation and duties for imported and exported goods. However, there are several synonyms that can be used interchangeably for these words. Some alternatives for 'Customs' could include trade, duty, levy, or tariff. Other synonyms for 'Excise' could be tax, duty, toll, or surcharge. These terms are commonly used in the field of economics and international trade, where they refer to the charges and duties levied by governments on imports and exports of goods. While these terms may seem similar, it's important to understand their nuanced meanings when navigating global trade and taxation policies.