When it comes to calculating the sum of two or more numbers, the term "addition total" is commonly used. However, in everyday language, there are several synonyms that can be used to describe the same concept. For example, you can refer to it as the "sum total," "aggregate," "cumulative total," or simply as the "total." In finance, the term "subtotal" may be used to describe the addition total of a particular category of expenses. Additionally, in computer science, the term "accumulator" is often used to describe a register that performs the function of adding numbers together. No matter what synonym you prefer, the end result is still the same - the sum of two or more numbers.