contribution
    /ˌkɑːntrəˈbjuːʃən/ 
    
 
    
    noun
    
    plural -tions
    
    [count] :something that is contributed: such as
    
    something that is given to help a person, a cause, etc.
    
    
    
    
    
    
    
    something that is done to cause something to happen
    
    
    
    
    
    a piece of writing that is published as part of a larger work (such as a magazine, newspaper, or book)
    
    
    
    [count] :a regular payment that is made to an employer or government for something (such as health insurance or a pension)
    
    [noncount] :the act of giving something :the act of contributing