What is another word for "labor"?

Roget's Thesaurus (1911) lists these synonyms for "labor": admission, altruism, and, appearance, are, aspect, bargain, being, benevolence, block, bon, buy, case, catchpenny, category, character, charge, cheap, cheapness, chivalrous, chivalry, come, complexion, condition, conditional, conditionally, constitution, cost, costless, deadhead, depreciation, devoted, devotion, diathesis, dilemma, dirt, disinterested, disinterestedness, dog, done.