What is another word for "par"?

Roget's Thesaurus (1911) lists these synonyms for "par": abate, abatement, accusation, acquaintance, adown, advocate, afresh, agio, ago, all, allow, allowance, ally, alter, ambo, amigo, and, anew, another, associate, auxiliary, back, backwardation, balance, bargain, basement, bate, beau, become, bedfellow, below, bene, beneath, best, bilge, bit, biter, blow, boon, bosom.