What is another word for "service"?

Roget's Thesaurus (1911) lists these synonyms for "service": about, account, address, advantage, aid, all, allegiance, almanac, ambassador, and, answer, apparitor, aright, army, atlas, attend, bag, bead, bear, bearer, beck, behalf, behoof, bellman, beneficial, benefit, best, bid, bidding, bill, blessing, book, boon, boot, boy, bribe, cable, cadaster, cadastral, cadastre.