The term CONTRIBUTES TO can be broken down into two crossword solutions: ADDS (4 letters) and HELPS (5 letters). ADDS means to put something in addition to what is already present, while HELPS means to provide assistance or support. Together, these two words suggest that someone is providing assistance or support by adding something to a situation. This could refer to a person contributing money, time, or resources to a cause, or it could refer to someone offering advice or expertise to a project.