What is another word for "spare"?

Roget's Thesaurus (1911) lists these synonyms for "spare": abandon, abandonment, abnegation, abstain, abstainer, abstemious, abstemiousness, abstinence, abstinent, alcoholic, alone, ant, apart, are, aside, away, back, banyan, behind, big, calm, cast, cede, cession, cherry, clear, clem, commons, compass, conjuncture, convenience, course, crisis, culls, day, deed, deliberate, deliberately, deny, derelict.