| slavery(noun, state, work, burden, restraint) |
| servitude(noun, state, work, restraint, labor) |
| enslavement(noun, state, over, servility, subjection) |
| thrall(noun, state, work, restraint, labor) |
| serfdom(noun, state, over, servility, subjection) |
| captivity(noun, work, force, check, curb) |
| subjection(noun, work, restraint, labor, grind) |
| thraldom(noun, servility, custody, prison, subjection) |
| thralldom(noun, state, work, restraint, labor) |
| subjugation(noun, subjection, slavery, subordination) |
| vassalage(noun, work, restraint, labor, grind) |
| constraint(noun, force, curb, limit, restraint) |
| yoke(noun, state, over, servility, slavery) |
| imprisonment(noun, force, check, curb, limit) |
| restraint(noun, work, force, check, curb) |
| servility(noun, state, over, slavery, subordination) |
| helotry(noun, state, over, servility, slavery) |
| chains(noun, check, curb, limit, restraint) |
| confinement(noun, force, check, curb, limit) |
| fetters(noun, check, curb, limit, restraint) |