The term 'ADDS UP (TO)' can be solved by the following crossword solutions: SPELLS (6 letters), TOTALS (6 letters), AMOUNTS (7 letters), EQUALS (6 letters), and REACHES (7 letters). This phrase is used to describe the process of combining two or more numbers, objects, or ideas to reach a total or sum. It is often used in mathematics to describe the process of addition, but can also be used in other contexts to describe the process of combining two or more elements to reach a desired result.