| exertion(noun, activity, performance, work, struggle) |
| industry(noun, activity, performance, work, struggle) |
| burdensome |
| drudge(noun, performance, work, struggle, restraint) |
| grievous |
| slog(noun, work, routine, effort, labor) |
| fag |
| fatigue(trouble, worry, difficulty, lack, torment) |
| slogging(noun, performance, struggle, trial, effort) |
| struggle(noun, performance, work, hard, trial) |
| very long work |
| effort(noun, activity, performance, work, trial) |
| employment(noun, activity, work, undertaking, toil) |
| hardship(noun, burden, lack, adversity, privation) |
| manual labor(noun, expression, idiom, work, employment) |
| strain(noun, activity, work, undertaking, employment) |
| task(noun, performance, work, struggle, routine) |
| job(noun, activity, performance, work, trial) |
| treadmill(noun, grind) |
| diligence(noun, activity, work, undertaking, employment) |