Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

28. [Difference of quantity or degree.] Inequality — N. inequality;

disparity, imparity; odds; difference &c 15; unevenness; inclination of the balance, partiality, bias, weight; shortcoming; casting weight, make-weight; superiority &c 33; inferiority &c 34; inequation†. V. be unequal &c adj.; countervail; have the advantage, give the advantage; turn the scale; kick the beam; topple, topple over; overmatch &c 33; not come up to &c 34. Adj. unequal, uneven, disparate, partial; unbalanced, overbalanced; top-heavy, lopsided, biased, skewed; disquiparant†. Adv. haud passibus aequis [Lat.] [Vergil].