How was samurais similar to feudal europe

Both European Societies and Japanese Samurais had and hereditary system of classes. The warriors were the most important class in both of them, in Japan called samurai and in Europe called knights that served the lords of the local, and had some codes about moral an ethic.

Knights had a military rank, Samurais did not.

whose power in the senate is equal to the power of the speaker of the house?