Synonyms of feudalism

1 Syllable
moil, work, thrall, toil, grind
2 Syllables
labor, restraint, serfdom, thralldom, serfhood, bullwork, drudge
3 Syllables
bondage, peonage, subjection, enthrallment, helotry, drudgery, slavery
4 Syllables
servitude, indenture, captivity, enslavement, subjugation, villeinage, vassalage, servility