absolutism, bond service, bondage, close arrest, confinement, control, custody, debt slavery, deprivation of freedom, detention, disenfranchisement, disfranchisement, domination, durance, durance vile, duress, enslavement, enthrallment, feudalism, feudality, helotism, helotry, house arrest, immuration, immurement, imprisonment, incarceration, indentureship, internment, jailing, peonage, restraint, serfdom, serfhood, servility, servitude, slavery, subjection, subjugation, term of imprisonment, thrall, thralldom, tyranny, vassalage, villenage