What is another word for "austerity"?

Roget's Thesaurus (1911) lists these synonyms for "austerity": abstinence, acerbic, acerbity, acrid, acridity, acrimonious, acrimony, amaritude, anchoret, anchorite, and, ascetic, asceticism, ashes, austere, bitter, bitterness, cynic, cynical, cynicism, disgust, flagellation, fulsome, gall, hermit, loathsome, maceration, martyr, martyrdom, mortification, nasty, nauseate, nauseous, nephalism, offensive, pall, penance, puritan, puritanical, puritanism.