Same word as vassalage:
bondage, committal, confinement, constraint, custody, durance, duress, enslavement, enthrallment, entombment, impoundment, imprisonment, incarceration, internment, jail, limbo, restraint, serfdom, servitude, slavery, subjection, thralldom, vassalage
bondage, committal, confinement, constraint, custody, durance, duress, enslavement, enthrallment, entombment, impoundment, imprisonment, incarceration, internment, jail, limbo, restraint, serfdom, servitude, slavery, subjection, thralldom, vassalage