link·age 
/ˈlɪŋkɪʤ/ noun
plural link·ag·es /ˈlɪŋkɪʤ/ noun 1 : a connection or relationship between two or more things [count] ▪ linkages between population growth and disease [noncount] ▪ Some researchers doubt that there is any linkage between these phenomena. [=they doubt that these phenomena are connected or related] 2 [count] : a part that connects two or more things
▪ repairing a broken linkage
▪ repairing a broken linkage
