What is another word for "sole"?

Roget's Thesaurus (1911) lists these synonyms for "sole": abstract, ace, agamist, alone, and, apart, atomic, azygous, bachelor, bachelorhood, bachelorship, base, baseboard, based, basement, basis, beat, bilge, blessedness, bottom, built, but, celibacy, centerboard, combine, compact, dado, deck, desolate, dine, disjoin, disjunction, dreary, earth, else, feme, first, flag, floor, foot.