Vassals, noun plural of vassal. Synonyms in the same form.
Slave
slaves, servants, thralls, serfs, bondsmen, lackeys, stooges, dependents, subjects, retainers, minions, creatures, satellites, punies, myrmidons, villeins, bondmen, helots, subordinates, underlings, henchmen
Liege
lieges, feudatories
All synonyms for vassal →