syn·er·gy 
/ˈsɪnɚʤi/ noun
plural syn·er·gies /ˈsɪnɚʤi/ noun technical : the increased effectiveness that results when two or more people or businesses work together [count] ▪ A synergy has developed among the different groups working on this project. [noncount] ▪ two companies that have found synergy
