nadvláda znamená v Angličtina

hegemony [hegemonies]▼(domination, influence, or authority over another)
noun
[UK: hɪ.ˈɡe.mə.ni] [US: hi.ˈdʒe.mə.ni]

supremacy▼(authority over all others)
noun
[UK: sʊ.ˈpre.mə.si] [US: sə.ˈpre.mə.si]