Synonyms of drudgery

1 Syllable
sweat, work, grind, toils, toil
2 Syllables
labor, treadmill, grubwork, serfdom, thralldom, hardship, gruntwork, travails, bullwork, labors, chore, struggle, workout, travail
3 Syllables
backbreaker, feudalism, helotry, donkeywork, slavery
4 Syllables
villeinage, servility