com·mon·al·i·ty 
/ˌkɑ:məˈnæləti/ noun
plural com·mon·al·i·ties /ˌkɑ:məˈnæləti/ noun formal 1 [noncount] : the fact of sharing features or qualities
▪ commonality of origin 2 [count] : a shared feature or quality
▪ commonalities among the various religions [=features or qualities that the religions have in common] ▪ The plans share important commonalities. ▪ We have/share a commonality of purpose. [=our purpose is the same]
▪ commonality of origin
▪ commonalities among the various religions [=features or qualities that the religions have in common] ▪ The plans share important commonalities. ▪ We have/share a commonality of purpose. [=our purpose is the same]
