What is another word for "two"?

Roget's Thesaurus (1911) lists these synonyms for "two": about, abstract, accusation, ace, ado, agency, aid, all, alone, alter, ambages, among, anchor, and, another, any, apart, are, assistance, atomic, attach, azygous, back, backhanded, banyan, beat, beau, best, biformity, binary, binate, binomial, biparous, biplicity, bit, biter, blow, both, bow, brace.